Question # 1

Which have audible range for 2 kHz and 110 kHz.

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Human

Owl

Bat

Dolphin

The lowest pointof a wave is................

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Crest

Amplitude

Peak

Trough

The speed of sound in air is.

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100 m/s

300 m/s

100 m/s

330 m/s

Which of the following features of a wave is the number of waves that pass by each second.

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Loudness

Amplitude

Frequency

Wave speed

Speed of sound in water is

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1000 ms-1

1500 ms-1

900 ms-1

2000 ms-1

Sound is a form of.

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Energy

Wave

Frequency

intensity

An object produce a sound with a frequency of 50 Hz. Find its tiem period.

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0.01 sec

0.03 sec

0.02 sec

0.04 sec

What type of wave does not need matter to travel through.

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Mechaical

Electromagnetic

Sound

Transverse

Which of the followig features of a wave is the number of waves that pass by each second.

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Loudness

Amplitude

Frequncy

Wave speed

Which of the following animals can respond to highest frquency.

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Bat

Cat

Frog

Dolphin

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