UNITED SCIENTIFIC CORPORATION

Meter Rod and Scales

Meter Rod and Scales

A metre scale is used to measure length of an object which has SI unit of meter m.The least count of the meter rod is 0.1 cm and that of vernier callipers is 0.01 cm ... The length of a rectangular plate is measured by a meter scale .

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Cell

An electrical cell is an "electrical power supply". It converts stored chemical energy into electrical potential energy, allowing a current to flow from the positive to the negative end of the cell.It has different names such as dry cell, primary cell, non-recharable cell, voltaic cell etc. and also come in different volts .

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Insulated Copper Wire

Insulated Copper Wires

These wires are used to make secure connections between different electrical apparatus need for an electrical experiment.

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Vernier Calliper (Mannual

Vernier Calliper

The vernier calipers found in the laboratory incorporates a main scale and a sliding vernier(graduated slidable scale over the main scale with 0.05mm difference between the lines of its scale) scale which allows readings to the nearest 0.02 mm. This instrument may be used to measure outer dimensions of objects (using the main jaws), inside dimensions (using the smaller jaws at the top), and depths (using the stem).Its least count is 0.1mm. Calliper means hinged together,supported with, clipped together.

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Screw Guage(Thickness)

Screw Guage

The screw gauge is an instrument used for measuring exactly the diameter of a thin wire or the width of a sheet of metal. It comprises of a U-shaped frame which is fixed with a screwed pin which is fixed to a thimble. Side by side to the axis of the thimble, a scale passed in mm is inscribed. It has some parts that have to be explained. 1.Thimble(hollow cylindrical cap with a slop having a circular scale sleeved (covered) on it at one end and with a steel part cutted in gear teeth i.e.ratched at the other end. 2.Longg cylindrical bar with a spindle at one end and sleeved(covering) scale on it. 3. Spindle( one end with a bolt design(screwed or cutted into gear teeth or ratched) and the other end plane shaped). 4. anvil (fixed plane part like stud).

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Optical Kit(mirrors and lenses)

Optical Kit

Optical kit is a hit that contains all types of conacave and convex lenses , mirrors etc.Major type are single concave/convex lense, double concave/convex lense and plano concave/convex lense, concave/convex mirrors, glass slides,prisms,slabs etc.

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Optical Bench

a straight rigid bar, typically marked with a scale, to which supports for lenses, light sources, and other optical components can be attached.

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Upright Holders and Needles

Uprights

These are the stands with clamps to hold the mirrors and lenses in the deisred position and needles for adjusting the lenses distance with each other.

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Laser and White light source

Laser

Light sources for observing optical properties of the objects.

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Analog Ammeter

Ammeter

An ammeter (from Ampere Meter) is a measuring instrument used to measure the current in a circuit. Electric currents are measured in amperes (A), hence the name. Instruments used to measure smaller currents, in the milliampere or microampere range, are designated as milliammeters or microammeters.It does not tell the direction of the current.

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Analog Galvanometer

Galvanometer

The galvanometer shows the direction of current flows in the circuit.The galvanometer is only used for measuring the direct current.

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Analog Voltmeter

Voltmeter

A voltmeter is an instrument used for measuring electric potential difference between two points in an electric circuit.

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Analog Ohmmeter

Ohmmeter

An ohmmeter is an electrical instrument that measures electrical resistance (the opposition offered by a substance to the flow of electric current) . Micro-ohmmeters (microhmmeter or micro ohmmeter) make low resistance measurements. Megohmmeters measure large values of resistance.

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Resistance Box

The box which contains the resistors of different values for estimating and comparing the resistance is known as the resistance box. The accuracy of the resistance box is very high. The main application of the resistance box is to control the specific value of current to flow through the circuit.

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Rheostat(200 ohm,500 ohm)

Rheostat

A rheostat is a variable resistor which is used to control current. They are able to vary the resistance in a circuit without interruption. The construction is very similar to the construction of a potentiometers. It uses only two terminals.

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Potentiometer

an instrument for measuring an electromotive force by balancing it against the potential difference produced by passing a known current through a known variable resistance.An instrument with a third adjustable terminal. The potential at the third terminal can be adjusted to give any fraction of the potential across the ends of the resistor .

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Variable Power Supply

A variable power supply is one which includes some means for the user to easily adjust the output voltage and sometimes the current. Adjustment is most often accomplished with a potentiometer, but may also be done with an analog control voltage, a digital input, an autotransformer, etc.

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DC Power Supply

DC power supplies are power supplies which produce an output DC voltage. Power supplies are devices that deliver electric power to one or several loads. They generate the output power by converting an input signal into an output signal (in this case, a DC output) .

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Crocodile Clips

Crocodile clips, also known as alligator clips, are spring loaded clips made from metal to make powerfull and easy connections.

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Cell Box

Box for connecting and holding cells while giving out two wires to connect with the target electrical component .

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Meter Bridge

A meter bridge also called a slide wire bridge is an instrument that works on the principle of a Wheatstone bridge. A meter bridge is used in finding the unknown resistance of a conductor as that of in a Wheatstone bridge.

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WheatStone Bridge Apparatus

Wheatstone Bridge

a simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners.

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Jockey

The jockey is used to slide on the bridge wire. It is a metal rod with one end as knife edge.

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Thermometer (digital or alcohol)

Thermometer

Used to measure temperature in Celsius.

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Angle Iron

Angle iron 2m long, 2 wooden stands having V-shaped top, steel ball is used to measure the acceleration of rolling object.

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Expandable and Slinky spring

A spring that could be easily expanded to ahve some long oscillatory motion.

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Retort(Rejoin) Stand

Retort(Rejoin) stand

A retort stand, also called a clamp stand, a ring stand, or a support stand, is a piece of scientific equipment intended to support other pieces of equipment and also to keep some apparatus at some height.

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G-Clamp

A C-clamp, or G-clamp, is a type of clamp device typically used to hold an apparatus tightly at some place .

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Helical Spring with Stand

Helical spring with stand

Its a spring clamped at the top of its stand witha pointer at the other end to hold weights.In this way when spring expands due to weight pointers pointes to some value at the scale attached to the stand, with this value wo do some calculation.

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Free Fall Apparatus (stand ,pendulum thread ,clamp stop watch)

Free Fall Apparatus

Free Fall Apparatus (stand ,pendulum thread ,clamp stop watch).In Newtonian physics, free fall is any motion of a body where gravity is the only force acting . This slowed things down enough to the point where he was able to measure the time intervals with water clocks and his own pulse (stopwatches).

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Horizontal Force Table Apparatus

1.Horizontal Force Table. 2. Center Rod and Ring. 3. Cords. 4. Pulleys. 5. Weight Hangers. 6. Weights. 7. Spirit Level.This apparatus is used to observe the forces acting on the masses and teansion etc .

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Masses with Hanger

Masses with hangers

This slotted weight set is supplied on a stand with a handle for easy transport and storage .Both are used in many experiments .

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Newtonmeter

The newton-metre (also newton metre; symbol N⋅m or N m) is a unit of torque (also called moment) in the SI system. One newton-metre is equal to the torque resulting from a force of one newton applied perpendicularly to the end of a moment arm that is one metre long.

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Physical Balance

Its a non digital type of weight measuring device. In old ages this type of weighing balance was used but there is always some little weight changes in measuring exact mass through this type.

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Drawing boards,pins and papers

Drawing pins,boards and paper.

This apparatus is used in measuring angle changes due to weights addition on pulleys .

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Ripple Tank Apparatus

In physics , a ripple tank is a shallow glass tank of water used to demonstrate the basic properties of waves. It is a specialized form of a wave tank. The ripple tank is usually illuminated from above, so that the light shines through the water .

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AND, OR, NOT Gates etc.

AND, OR, NOT Gates etc

Logic gates are the basic building blocks of any digital system. It is an electronic circuit having one or more than one input and only one output. The relationship between the input and the output is based on a certain logic. Based on this, logic gates are named as AND gate, OR gate, NOT gate etc .

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Electronic Components

Electronic Componets

An electronic circuit is a structure that directs and controls electric current to perform various functions including signal amplification, computation, and data transfer. It comprises several different components such as resistors, transistors, capacitors, inductors, and diodes(all types) etc .

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Electronic Component Holders (bread board)

Electronic Component Holders

Its a box or a container made up in such a way to hold different electronic components in their place while make device .

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Heat Proof Mat

A heatproof mat is a piece of apparatus commonly used in tabletop lab experiments that involve moderate temperatures (for example, when a Bunsen burner is being used) to prevent damage to a work surface and it is used while doing soldering .

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Tools Used In Physics

Tools used in physics

There are some tools which are necessary to have while doing physics practicals and experiments.This is done with having a tool box with some useful tools.

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Mannual Stop Watch

A stopwatch is a handheld timepiece designed to measure the amount of time that elapses between its activation and deactivation .

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Digital Ammeter(0 to 200 ma)

Digital Ammeter

Digital ammeters are instruments that measure current flow in amperes and display current levels on a digital display. These devices provide information about current draw and current continuity in order to help users troubleshoot erratic loads and trends.

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Digital Multimeter

A digital multimeter is a test tool used to measure two or more electrical values—principally voltage (volts), current (amps) and resistance (ohms). It is a standard diagnostic tool for technicians in the electrical/electronic industries .

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Digital Voltmeter

A digital voltmeter (DVM) displays the value of a.c. or d.c voltage being measured directly as discrete numerals in the decimal number. system. Numerical readout of DVMs is advantageous since it eliminates observational errors committed by operators .

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Digital Meter

Digital meters, sometimes called “smart meters” or “advanced meters,” are devices that automatically record electric and water use, then electronically report that information to the utility company at regular intervals. These meters provide secure data that can show peak usage and isolate outages .

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Digital Stop Watch

Digital Stopwatch

A digital stopwatch can be a circuit displaying the actual time in minutes, hours and seconds or a circuit displaying the number of clock pulses. ... This is a simple circuit consisting of a 555 timer to produce the clock pulses and two counter ICs to carry out the counting operation.

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Digital Balance

Used for measuring mass of solid state chemicals. For using exact amount of the soild chemicals to make result giving solutions, we weigh the right amount with its help. Digital balance:Least to 1mg to 310gm, 0.1 to 500g.

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Oscilloscope

An oscilloscope is a laboratory instrument commonly used to display and analyze the waveform of electronic signals.

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Diode Apparatus

Semiconductor Diode / PN Junction Diode Characteristics Apparatus. Complete with power supply and two meters, suitable for both forward and reverse biasing .

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Transistot Apparatus

Transistor Apparatus

The objective is to plot the input, output and transfer characteristics of a PNP or NPN transistor in common emitter & common base configuration. The device consists of: Two regulated DC power supplies, one is 0-1 volt and other is 0-10 volts .

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Digital Vernier

The Digital Caliper (sometimes incorrectly called the Digital Vernier Caliper) is a precision instrument that can be used to measure internal and external distances extremely accurately. The example shown below is a digital caliper as the distances/measurements, are read from a LCD display.

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Digital Screw Guage(Micrometer)

Digital Screw Guage

A micrometer, sometimes known as a micrometer screw gauge, is a device incorporating a calibrated screw widely used for accurate measurement of components in mechanical engineering and machining as well as most mechanical trades, along with other metrological instruments such as dial, vernier, and digital calipers .

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Physics Formula Charts

In Physics laboratory, the most important tool without which every physics experiment is incomplete, are the formula charts. For doing accurate calculations.

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Physics Symbols Charts

Physics Symbols charts.

In Physics laboratory, the second most important tool without which every physics experiment is incomplete, are the symbol charts. For representing calculations with accurate symbols.

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Keys(switches) and Key Plugs

Keys and Key Plugs

The circuit is called 'closed' when the current flows in the circuit, and when the current does not flow, it is called an 'open circuit'. The switch or key helps to make or break the circuit, i.e. switches on or switches off the current.Plugs are used while switching i.e. in closed state they are plugged in the key and in the open state they are plugged out of the key.

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Basic Apparatus

Meter Rod and Scales

A metre scale is used to measure length of an object which has SI unit of meter m.The least count of the meter rod is 0.1 cm and that of vernier callipers is 0.01 cm ... The length of a rectangular plate is measured by a meter scale .

Cell

Insulated Copper Wires

These wires are used to make secure connections between different electrical apparatus need for an electrical experiment.

Vernier Calliper

Screw Guage

Optical Kit

Optical kit is a hit that contains all types of conacave and convex lenses , mirrors etc.Major type are single concave/convex lense, double concave/convex lense and plano concave/convex lense, concave/convex mirrors, glass slides,prisms,slabs etc.

Optical Bench

a straight rigid bar, typically marked with a scale, to which supports for lenses, light sources, and other optical components can be attached.

Uprights

These are the stands with clamps to hold the mirrors and lenses in the deisred position and needles for adjusting the lenses distance with each other.

Laser

Light sources for observing optical properties of the objects.

Ammeter

Galvanometer

The galvanometer shows the direction of current flows in the circuit.The galvanometer is only used for measuring the direct current.

Voltmeter

A voltmeter is an instrument used for measuring electric potential difference between two points in an electric circuit.

Ohmmeter

An ohmmeter is an electrical instrument that measures electrical resistance (the opposition offered by a substance to the flow of electric current) . Micro-ohmmeters (microhmmeter or micro ohmmeter) make low resistance measurements. Megohmmeters measure large values of resistance.

Resistance Box

The box which contains the resistors of different values for estimating and comparing the resistance is known as the resistance box. The accuracy of the resistance box is very high. The main application of the resistance box is to control the specific value of current to flow through the circuit.

Rheostat

A rheostat is a variable resistor which is used to control current. They are able to vary the resistance in a circuit without interruption. The construction is very similar to the construction of a potentiometers. It uses only two terminals.

Potentiometer

Variable Power Supply

A variable power supply is one which includes some means for the user to easily adjust the output voltage and sometimes the current. Adjustment is most often accomplished with a potentiometer, but may also be done with an analog control voltage, a digital input, an autotransformer, etc.

DC Power Supply

DC power supplies are power supplies which produce an output DC voltage. Power supplies are devices that deliver electric power to one or several loads. They generate the output power by converting an input signal into an output signal (in this case, a DC output) .

Crocodile Clips

Crocodile clips, also known as alligator clips, are spring loaded clips made from metal to make powerfull and easy connections.

Cell Box

Box for connecting and holding cells while giving out two wires to connect with the target electrical component .

Meter Bridge

A meter bridge also called a slide wire bridge is an instrument that works on the principle of a Wheatstone bridge. A meter bridge is used in finding the unknown resistance of a conductor as that of in a Wheatstone bridge.

Wheatstone Bridge

a simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners.

Jockey

The jockey is used to slide on the bridge wire. It is a metal rod with one end as knife edge.

Thermometer

Used to measure temperature in Celsius.

Angle Iron

Angle iron 2m long, 2 wooden stands having V-shaped top, steel ball is used to measure the acceleration of rolling object.

Expandable and Slinky spring

A spring that could be easily expanded to ahve some long oscillatory motion.

Retort(Rejoin) stand

A retort stand, also called a clamp stand, a ring stand, or a support stand, is a piece of scientific equipment intended to support other pieces of equipment and also to keep some apparatus at some height.

G-Clamp

A C-clamp, or G-clamp, is a type of clamp device typically used to hold an apparatus tightly at some place .

Helical spring with stand

Its a spring clamped at the top of its stand witha pointer at the other end to hold weights.In this way when spring expands due to weight pointers pointes to some value at the scale attached to the stand, with this value wo do some calculation.

Free Fall Apparatus

Horizontal Force Table Apparatus

1.Horizontal Force Table. 2. Center Rod and Ring. 3. Cords. 4. Pulleys. 5. Weight Hangers. 6. Weights. 7. Spirit Level.This apparatus is used to observe the forces acting on the masses and teansion etc .

Masses with hangers

This slotted weight set is supplied on a stand with a handle for easy transport and storage .Both are used in many experiments .

Newtonmeter

The newton-metre (also newton metre; symbol N⋅m or N m) is a unit of torque (also called moment) in the SI system. One newton-metre is equal to the torque resulting from a force of one newton applied perpendicularly to the end of a moment arm that is one metre long.

Physical Balance

Its a non digital type of weight measuring device. In old ages this type of weighing balance was used but there is always some little weight changes in measuring exact mass through this type.

Drawing pins,boards and paper.

This apparatus is used in measuring angle changes due to weights addition on pulleys .

Ripple Tank Apparatus

In physics , a ripple tank is a shallow glass tank of water used to demonstrate the basic properties of waves. It is a specialized form of a wave tank. The ripple tank is usually illuminated from above, so that the light shines through the water .

AND, OR, NOT Gates etc

Electronic Componets

An electronic circuit is a structure that directs and controls electric current to perform various functions including signal amplification, computation, and data transfer. It comprises several different components such as resistors, transistors, capacitors, inductors, and diodes(all types) etc .

Electronic Component Holders

Its a box or a container made up in such a way to hold different electronic components in their place while make device .

Heat Proof Mat

A heatproof mat is a piece of apparatus commonly used in tabletop lab experiments that involve moderate temperatures (for example, when a Bunsen burner is being used) to prevent damage to a work surface and it is used while doing soldering .

Tools used in physics

There are some tools which are necessary to have while doing physics practicals and experiments.This is done with having a tool box with some useful tools.

Mannual Stop Watch

A stopwatch is a handheld timepiece designed to measure the amount of time that elapses between its activation and deactivation .

Digital and Electrical Measuring Equipments

Digital Ammeter

These are some useful links for knowledge purpose respective to Physics laboratory apparatus and practicals related to grade 10 and 12 with full solved guide.

Grade-12

Grade-10

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