Question # 1

The S.I unit of power is :

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j/s2

J

W

J/M2

Hydraulic press is a machine which works on

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Hook's law

Archimedes principle

Pascal's law

Boyle's law

In Fahrenheit scale, upper refrence point is:

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32 ^oF

212 ^oF

180 ^oF

100 ^oF

Least count of digital stop watch is.

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0.01 sec

0.1 sec

1 sec

10 sec

The unit of work is :

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J

N

Ns

m

Which following works on Pascal's law?

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Screw gauge

Vernier callipers

Hydraulic press

Wedge

Newton's first law of motion is known as law of ___________________

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Force

Inertia

A and B both

None

If force is 200 N and length of spanner is 0.15 then torque will be:

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30 Nm

15Nm

20 Nm

10 Nm

All are conductors except:

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Copper

Wires

Steel

Wood

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

Stress is defined as

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Stress = Force/ Area

Stress = Area/Force

Stress = Area/ Volume

Stress = Mass/ Volume

_____________ easily undo bolt?

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Long spanner

Medium

Short spanner

Every spanner

Formula of Power:

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P = wt

P = w/t

P = t/w

P = w/t²

Hydraulic press is a machine which works on:

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Hook's law

Pascal's law

Boyle's law

Archimedes principle

Turning effect of a force is called:

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Torque

Moment

Couple

Torque and momentum

Which instrument is most suitable to measure the internal diameter of a test tube.

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Metre rule

Vernier Callipers

Measuring tape

Screw gauge

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