Question # 1

The waves, which are used to detect the broken bones, are called:

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Light waves

x-rays

Sound waves

both b,c,

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

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1870

1875

1876

1880

When a body moves to and fro about a point its motion is called:

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Random motion

Linear motion

Vibratory motion

Rotatory motion

Which of the following tasks are performed by most of the algorithms?

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Input

Out put

Processing

All of these

At extreme position potential energy of the pendulum is

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Maximum

Miimum

a and b

zero

The value of acceleration in simple harmonic motion at mean position is

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Maximum

Zero

10 N

Both a , b

The number of wavelength of waves passing through a point in one secnd is called:

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Time period

Cycle

Frequency

None of these

Which is not a hardware:

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CPU

Window

Keyboard

Mouse

Which of the following characteristics of a wave is independent of the others:

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speed

frequency

amplitude

wavelength

Which of the following is an example of simple harmonic motion:

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Motion of a simple pendulum

The motion of ceiling fan

The spinning of the earth on its axis

A bouncing ball on a floor

The disturbance travelling in a medium is called:

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Wave motion

Simple harmonic motion

Motion

both a ,b

Shock absorbers in automobiles are one practical application of:

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SHM

Random motion

Damped motion

None of these

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

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