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The eardrum v...

Question

The eardrum vibrates when sound hits it.

A

True

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B

False

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Solution

The correct option is A
True

Sound waves travel through the ear canal to reach the eardrum. The eardrum is a thin flap of skin that is stretched tight like a drum and vibrates when sound hits it. These vibrations move the tiny bones of the middle ear, which send vibrations to the inner ear. From the inner ear, the message is sent to the brain.

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Q. Mark the following statements true or false. Rewrite the false statements correctly.
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(b) A sound with large amplitude is louder than one with small amplitude.
(c) The loudness of sound is measured in hertz.
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(g) Echoes are produced by the absorption of sound.
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The eardrum vibrates when sound hits it.

We hear sound only when the sound hits the eardrum and it ___.

WHEN THE SOUND REACHES THE EARDRUM, IT CAN PUSH THE EARDRUM INWARDS BUT HOW CAN SOUND SET IT VIBRATING

Q. Which of the following statements is incorrect about human ear ?
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B) The outer ear collects sound from the surroundings.
C) Vibrations present in sound waves help in vibration of eardrum.
D) The eardrum vibrates to reproduce sound that goes to the brain.

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