Question # 1

Gallium (element) melts at:

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40 °C

30 °C

80 °C

90 °C

The density of a substance can be found with the help of

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Pascal's law

Hooke's law

Archimedes principle

Principle of floatation

Leslie's cube is filled with:

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Cold water

Hot water

Mercury

Air

A satellite revolving around very close to Earth has speed nearly:

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8 kms^-1

5 kms^-1

10 kms^-1

100 kms^-1

Specific heat of glass

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780 Jkg^-1K^-1

800 Jkg^-1K^-1

840 Jkg^-1K^-1

880 Jkg^-1K^-1

Leslie cube have faces:

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2

3

4

5

Hydraulic press is a machine which works on

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Hook's law

Archimedes principle

Pascal's law

Boyle's law

The product of force and displacement is called;

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Work

Efficiency

Power

Energy

If the object is at rest to T .............. W.

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=

=/

<

>

Orbital velocity v_o =

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√gR

√RG

gR

gR²

The energy present in our food is:

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Mechanical energy

Gravitational potential energy

Chemical energy

Nuclear energy

Newton's first law of motion is valid only in the absence of:

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Force

Not force

Friction

Momentum

In how many division Fahrenheit scale is divided?

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100

273

180

50

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