Question # 1

The formula of conversion of Celsius into Kelvin is:

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Tk = 273 - C^o

Tk = 273 + C^o

F = 1.8 + 32

All of these

A line about which a body rotates is called;

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Axis of rotation

Rigid Body

Center of gracity

None of these

The radius R of the earth is:

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6 x 10¹⁸m

6.4 x 10⁶m

6.4 x 10⁸m

6.4 x 10¹²m

There are ways to transfer the heat from one place to another.

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1

2

3

4

a ball is thrown vertically upward. Its velocity at the highest point is.

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10 ms^-2

-10 ms^-1

Zero

none of them

The product of mass and _______ is called momentum;

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Velocity

Force

Acceleration

None

The gravitational force has the ________ relation with the distance between two masses:

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Direct

Inverse

Constant

None

A body is in equilibrium when its

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Acceleration is uniform

Speed is uniform

Speed and acceleration are uniform

Acceleration is zero

Cos 0^ois

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0

2

1

0.5

The weight of body on earth with mass 8 kg is:

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10 N

100 N

80 N

8 N

Leslie's cube is a box of:

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Metal

Non-Metal

Wood

Metalloids

Things with _____________ area are more stable>

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Larger

Smaller

All

None of these

The centre of gravity of hollow cylinder is the middle point on its:

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Curved side

axis

Bottom

On upper side

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