Question # 1

In simple Harmonic motion, the acceleration of the body is _____ proportional to the displacement.

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Inversely

Directly

Equally

None of these

The formula of time period of simple pendulum is:

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T = 2π √L/g

T = 2π (L/g)

T = 2π√1/g

T = 1/2π √L/g

Unlike charges always:

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Repel each other

Attract each other

Sometimes repel and attract each other

Both A and B

The refractive index of ice is:

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1.00

1.33

1.31

2.42

Those quantities whose values change gradually or stay constant are called:

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Physical quantities

Digital quantities

Log quantities

Analog quantities

Watt is equal to:

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Coulomb per second

Newton per second

Volt per second

Joule per second

Which type of image is formed by a convex lens on a screen:

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Inverted and real

Inverted and virtual

Upright and real

Upright and virtual

Hard disk is made of:

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Aluminium

Copper

Iron

Plastic

The way of doing business by using web is called:

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Sources of entertainment

Web business

E-commerce

E-mail

Which of the following quantities is not change during refraction of light?

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Its direction

Its speed

its frequency

Its wavelength

The ratio of external force applied on the spring to displacement is called:

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Hook's law

Constant

Spring constant

SI unit of capacitance is:

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Joule

Volt

Watt

Farad

What is the direction of the magnetic field lines inside a bar magnet?

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From north pole to south pole

From south pole to north pole

From side to side

There are no magnetic field lines.

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