Question # 1

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 large ripple tank with a vibrator working at a frequency of 30 Hz produces 25 complete waves in a distance of 50 cm.

The velocity of the wave is:

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53 cms^-1

60 cms^-1

750 cms^-1

1500cms^-1

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

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1870

1875

1876

1880

In CD presence of pits is indicated by:

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0

2

3

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

A tuning fork

The maximum displacement from mean position is called:

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Maximum height

Time period

Amplitude

Intervel

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

The waves in which particles of the medium vibrate perpendicular to the directions waves are:

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Electromagnetic waves

Sound waves

bothe a and b

Transverse waves

Diffraction of wave can be observed clearly only when the size of slit or obstacle is nearly__________ to the wavelength of the wave:

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Two times

Equal

Four times

None of these

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 energy is transferred from one place to another:

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Through matter

Thouth waves

both a and b

None of these

The time period of frequency and time period is equal to:

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v

1

0

λ

The time required to complete one round trip (vibration) abut mena position is called:

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Time period

Freqency

Amplitude

None of these

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Physics 10th Class English Medium Unit 1 Online Test MCQs With Answers

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