Question # 1

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

Which have audible range for 2 kHz and 110 kHz.

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Human

Owl

Bat

Dolphin

Sound cannot pass through.

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Solid

Liquid

Vacuum

Gasses

Sound waves are not.

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Compressional waves

Transverse waves

Mechnical waves

Low frequency waves

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

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Crest

Amplitude

Peak

Trough

Which of the following animals can respond to lowest frequency.

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Cat

Cow

Dog

Dolphin

Wave are of .............. types.

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Two

Three

Four

Five

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

Which of the following animals can respond to highest frquency.

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Bat

Cat

Frog

Dolphin

The speed of sound in air is.

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100 m/s

300 m/s

100 m/s

330 m/s

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