Question # 1

O maximum height the P.E of the body is:

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Zero

Maximum

Minimum

None of these

The speed of light is equal to:

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3 x 10⁵ ms^-1

3 x 10⁸ms^-1

3 x 10⁹ms^-1

3 x 10²ms^-1

Above of mass 50 kg is raised to a height of 3m. what is its P.E

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500 J

1000 J

1500 J

2000 J

The S.I unit of work is :

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J

N

Kg

m

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

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Electric Bulb

Electric generator

Photocell

Electric cell

In falling object potential energy is covered to:

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K.E

Force

P.E

Nil

SI unit of work is:

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Joule

Coulomb

Ampere

Kelvin

In Einstin's mass energy equation, c is the :

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Speed of sound

Speed of light

Speed if volume

None of these

The work is negative if the angle between force and displacement is:

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0°

45°

90°

180°

The source of energy that can be renewed are called:

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Renewable source

Non-renewable

They RAE Naturally found

None

Kinetic energy is possessed by a body by:

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Virtue of motion

Height

Rest

Nil

The energy released int he form of nuclear radiations in addition to heat and light is called:

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Mechanical energy

Gravitational energy

Chemical energy

Nuclear energy

In a dam the water energy is called:

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Heat energy

Electrical energy

G.P.E

Mechanical enrgy

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