Question # 1

Which of the following animals can respond to lowest frequency.

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Cat

Cow

Dog

Dolphin

Sound cannot pass through.

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Solid

Liquid

Vacuum

Gasses

Which of the following features is the height of the wave from the rest position or mid line.

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Frequency

Wavelength

Amplitude

Pitch

Sound waves are not.

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Compressional waves

Transverse waves

Mechnical waves

Low frequency waves

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 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

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

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15 km

20 km

25 km

30 km

Which of the following animals can respond to highest frquency.

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Bat

Cat

Frog

Dolphin

Sound is a form of.

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Energy

Wave

Frequency

intensity

Which have audible range for 2 kHz and 110 kHz.

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Human

Owl

Bat

Dolphin

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