Question # 1

The time period of mass attached with a spring can be calculated by:

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T = 2π√L/g

T = 1/T

T =2π√g/L

T = 2π√m/k

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

It mass of bob o a simple pendulum is doubled, its time period.

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is doubled

become four times

remains same

none of the above

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

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Hook's law

Constant

Spring constant

To get a design on the computer screen by moving a pointer with the help of mouse is called:

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word processing

graphic designing

data managing

telecommunication

The waves in which particle of the medium vibrate parallel to the direction of waves are called

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Longitudinal waves

Transverse waves

Electromagnetic waves

both b and c

A device which has two ways of communication is:

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television

radio

hard disk

mobile phone

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

Time period is reciprocal of:

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Frequency

Cycle

Wavelength

Amplitude

Wave transfer

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Energy

Frequency

Wavelength

Velocity

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

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Light waves

x-rays

Sound waves

both b,c,

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