Question # 1

The motion of a body about an axis is called.

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Random motion

Vibratory motion

Rotatory motion

Circular motion

The specific heat of glass is:

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501.72

500

501

502

Heat form one of a metal rod a reaches to the other by the process of

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convection

radiation

conduction

both (a) and (b)

Thermostat is a controlling switch:

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Heat

Temperature

Sound

Light

Co-efficient of friction between iron and iron is:

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1.0

0.62

0.9

1.2

If Fx and Fy are rectangular components of vector F, then its direction is determined by the relation

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θ = sin-1 Fv/Fx

θ = tan-1 Fx/Fy

θ = tan Fx/Fy

θ = tan Fy/Fx

The deforming force is called _______________

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Stress

Strain

Young's Modulus

Nil

Magnetic force is an example of :

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Action at a distance

Force

Torque

Nil

Walking on earth is the example of which law?

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First law

Second law

Third law

Law of momentum

The value of gravitational constant "G" is Nm² kg^-2

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6.67 x 10^-21

6.67 x 10^-11

6.67 x 10^-23

6.67 x 10¹¹

Work is zero when "F" and "S" will be:

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Parallel

Perpendicular

Anti parallel

Tangent

When ice is cooled below 0 ^oC it:

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Expand

Contracts

Boils

None of these

The velocity of geostationary satellites with respect to Earth is

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Vo

2Vo

Zero

1/2 Vo

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