Question # 1

The maximum displacement from mean position is called:

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Maximum height

Time period

Amplitude

Intervel

A device which has two ways of communication is:

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television

radio

hard disk

mobile phone

If the mass of the bob of a pendulum is increased by a factor of 3, the period of the pendulum’s motion will:

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Be increased by a factor of 2

Remain the same

Be decreased by a factor of 2

Be decreased by factor of 4

A large ripple tank with a vibrator working at a frequency of 30 Hz produces 25 complete wae in distance of 50 cm. The velocity of the wave is:

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54 cms^-1

60 cms^-1

750 cms^-1

1500 cms^-1

Which of the following devices can be used to produce both a transverse and longitudinal waves:

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A string

A ripple tank

A helical spring (slinky)

A tuning fork

The waves in which particles of the medium vibrate perpendicular to the direction of propagation of waves are called:

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Transverse waves

Longitudinal waves

Electromagnetic waves

None of these

Shock absorbers in automobiles are one practical application of:

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SHM

Random motion

Damped motion

None of these

Which of the following is a method of energy transfer:

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Conduction

Radiation

Wave motion

All of these

The oscillations of a system in the presence of _____________ force are called amp oscillations:

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Resistive force

Attractive force

Both of these

None of these

First voice signal was transmitted in the form of electrical signal in:

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1870

1875

1876

1880

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 water waves after striking the hurdle will:

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Reflect

Refract

Diffract

All a , b, c

Waves transfer:

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Energy

Wavelength

Velocity

frequency

If a wave moves in a slinky spring with frequency of 4Hz and wave length of 0.4m, the speed of the wave will be:

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1.0 ms-1

1.2 ms-1

1.4 ms-1

1.6 ms-1

It mean position kinetic energy of the ball is:

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Minimum

Zero

Maximum

None of these

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