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MCQs on Sound Waves and Echoes PDF Download eBook
MCQ: As compare to humans, bats can hear sounds only with
- low frequency
- low pitch
- low amplitude
- high pitch
D
MCQ: The use of echo to measure distance is known as
- echo destination
- echolocation
- echo displacement
- echo dictation
B
MCQ: Some fishing boats use echo to
- calculate the depth of water
- detect any predator
- detect shoal of fish
- eggs of fish
C
MCQ: Ships send a small
- pulse to the sea bed
- vibration to the tower
- piece of food to fish
- beam of sound to check the depth
A
MCQ: The longer, the echo takes, the
- shallower the water
- the deeper the water
- the denser the water
- the warmer the water
B