Question # 1

Which of following units is equal to Kgm² s^-2

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Newton

Joule

Watt

Coloumb

To make a body more stable ________ should be lowered:

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Axis of rotation

Center of gravity

Stabilty

None

The substances through which heat does not conduct:

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Conductors

Bad conductors

Insulators

Both B and C

A Leslie cube is use to identify :

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Radiation

Conduction

Convection

Both A and B

A Student claimed the diameter of a wire as 1.032 cm using vernier callipers. Upto what extent do your agree with it

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1 cm

1.0 cm

1.03 cm

1.032 cm

SI unit of work is:

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Joule

Coulomb

Ampere

Kelvin

Which of the substance is heaviest?

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Copper

Mercury

Aluminum

Lead

SI unit of pressure is pascal, which is equal to

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104 Nm-2

1 Nm-2

102 Nm-2

103 Nm-2

The formula of pressur is:

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Fx a

A/F

F/A

None of these

When a force of 4 Newton is applied on a body of mass 2 kg, the acceleration produced in it will be:

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2 ms^-2

4 ms^-2

8 ms^-2

6 ms^-2

If no external force acting on a body then such system is called.

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Ideal system

Controlled system

Isolated system

None

If base of a right angle triangle is 3 cm and perpendicular is 2 cm. What is tanθ

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0.7

1.5

2

3

Hydro meter is used to measure:

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Pressure

Density

Area

Volume

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