Question # 1

Wood, cork,cotton, wool , rubber are the examples of:

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Conductor

Thermal conductor

Insulator

Both a & b

The static fraction between wood and lather is _______________

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0.6

0.7

0.9

0.8

The machine which use unequal masses to find the value of "g" is ________

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Free fall apparatus

Atwood machine

Pulley

None

If the mass of body is doubled while keeping the force contant, then acceleration will be:

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Doubled

One half

4 times

One fourth

To make a body more stable ________ should be lowered:

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Axis of rotation

Center of gravity

Stabilty

None

What should be the approximate length of a glass tube to construct a water barometer?

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0.3 m

1 m

2.5 m

11 m

Example of bad conductor is:

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Wool

Iron

Graphite

Gold

Which of following units is equal to Kgm² s^-2

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Newton

Joule

Watt

Coloumb

The base quantity is.

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Volume

Torque

Mass

Momentum

The formula of momentum is:

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P=Fa

P=mv

F=ma

F=mg

_____________ can neither be created nor be destroyed.

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Light

Force

Energy

Weight

The energy of a body during the motion is called:

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Potential energy

Kinetic energy

Elastic P.E.

Heat energy

Which instrument is most suitable to measure the internal diameter of a test tube.

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Metre rule

Vernier Callipers

Measuring tape

Screw gauge

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