Question # 1

Density is quantity:

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Scalar

Vector

Constant

None of these

It is easy to turn a steering wheel by applying a:

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Torque

Force

Couple

Momentum

What is unit of momentum?

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Kg m/s

m

c

Nil

In large building central heating system worms on the principle of

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conduction

convection

radiation

waves

The energy stored in coal is:

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Heat energy

Kinetic energy

Chemical enegy

Nuclear energy

The value of 'g' on the surface of Mars:

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3.73 ms^-2

1.62 ms^-2

Zero

Constant

The momentum of two or more than two bodies intersacting remain constant in:

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Law of inertia

Isolated system

System

None

A change in position from point A to B is called.

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Distance

Velocity

Speed

Displacements

In Which of the following state molecules do not leave their position?

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Solid

Liquid

Gas

Plasma

Einstein's mass-energy equation is

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E = mc

E = mc2

E = 2mc

E = m2c

If W stands for work, F stands for force and S stand for displacement, than mathematical work is defined as

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W = P x S

W = F x v

W = F x r

W = F x S

The braking system of cars, buses etc also works on

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Newton's law

Pascal law

Faraday law

Bohr's law

_____________ easily undo bolt?

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Long spanner

Medium

Short spanner

Every spanner

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