Question # 1

The earth attracts us due to its __________ mass:

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Little

Zero

Small

Large

The numebr .00580 is scientific notation is.

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5 .80 x 10⁵

5 .80 x 10^-4

5 .80 x 10^-3

5 .80 x 10^-2

The acceleration of a body moving the uniform velocity is.

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Uniform

Zero

Negative

Variable

The devise used to measure the atmosphere pressure is:

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Rain gauge

Vacuum cleaner

Screw gauge

Barometer

The ratio of output to input is called:

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work

Efficiency

Force

All of above

The ratio of stress to strain is constant,This is known as

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Hook's law

Tensile strain

young's modulus

strain

Heat travels from __________

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Colder to hotter

Hotter to colder

Both a & b are possible

None of above

Latent heat of fusion of water is:

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3.36 x 10¹⁰ Jkg^-1

93.6 x 10¹⁰Jkg^-1

3.36 x 10⁵Jkg^-1

None of these

Which surface is bad emitter:

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White surface

Black surface

Coloured surface

Silver surface

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

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Free fall apparatus

Atwood machine

Pulley

None

Normal human body temperature is

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15oC

37oC

37oF

98.6oC

The radiation from sun is:

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Alpha

Gamma

Radio

Ultraviolet

Convention is done by ____________

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Vibration of atoms

Actual movement of particles

Same as conduction

Nil

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