Question # 1

A thimble of circular scale consists of equal division.

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100

10

1000

None of these

Rooms are heated using gas heater by:

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Conduction only

Convection and radiation

Radiation only

Convection only

If the mass of a body is 'm' and change in its temperature isΔT, then the heat absorbed or released is given by

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ΔQ = cmΔT

ΔQ = mΔT

ΔQ = 2cΔT

ΔQ = cmΔT2

Which of the following material lowers friction when pushed between metal plates:

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Water

Fine marble poder

Air

Oil

The velocity of geostationary satellites with respect to Earth is

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Vo

2Vo

Zero

1/2 Vo

In measurement 1.032 numbers of significant figure are.

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1

2

3

4

Product of mass and velocity of a body is called.

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Torque

Force

Work

Momentum

Motion of butterfly is an example of.

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Random

Circular motion

Linear motion

Vibratory motion

Which one of the following converts light energy into electrical energy?

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Electric Bulb

Electric generator

Photocell

Electric cell

Flow of thermal energy from hot body cold body is called:

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Specific heat

Latent heat

Transfer of heat

Heat capacity

The first man who gave the idea of gravity:

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Hero

Einstein

Newton

Faraday

At sea level , Atmosphere pressure is:

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101,300 Pa

101,400 Pa

101,500 Pa

101, 600 Pa

The ratio of output to input is called:

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work

Efficiency

Force

All of above

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