Question # 1

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

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Crest

Amplitude

Peak

Trough

Which have audible range for 2 kHz and 110 kHz.

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Human

Owl

Bat

Dolphin

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

Sound waves are not.

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Compressional waves

Transverse waves

Mechnical waves

Low frequency waves

Which of the following animals can respond to lowest frequency.

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Cat

Cow

Dog

Dolphin

The wavelength of red colour is.

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700 nm

800 nm

900 nm

600 nm

Dolphins can hear sound underwater from up to ............ away

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15 km

20 km

25 km

30 km

Sound cannot pass through.

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Solid

Liquid

Vacuum

Gasses

Which of the following animals can respond to highest frquency.

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Bat

Cat

Frog

Dolphin

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

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Mechaical

Electromagnetic

Sound

Transverse

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