Question # 1

The distance between two consecutive compressions or rarefactions in longitudinal waves is called:

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Amplitude

Wavelength

Half wavelength

1/4 wavelength

Micro waves are used in:

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Radio

Television

Mobile phone

All of these

How does sound travel from its source to your ear?

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Byc changes in air pressure

By vibration in wires or strings

By electromagnetic waves

By infrared waves

The maximum displacement from mean position is called:

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Maximum height

Time period

Amplitude

Interval

If the displacement in spring is ‘x’ of mass “m” attached with a spring then restoring force is:

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F=ma

F=kx

F=-kx

F= m/a

The energy is transferred from one place of another:

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through matter

through waves

both a and b

through vacuum

the water waves after striking the hurdle will:

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reflect

refract

diffract

all a b and c

1 MB =

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1022KB

1023KB

1024KB

1025KB

To hear echo, the distance between the observer and the obstacle is 17m then how much distance will the sound travel?

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60m

54m

17m

34m

the distance between two consecutive trough or crest is called:

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wavelength

frequency

time period

amplitude

The advantages of electronic mail are:

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Fast communication

Cost free service

More efficient

All of these

The sound waves are the example of:

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Longitudinal waves

Transverse waves

Electromagnetic waves

x-rays

The speed of sound in iron at 25 ^oC is ms^-1

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5950

5900

6950

6940

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Physics 10th Class English Medium Unit 2 Online Test MCQs With Answers

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