Physics
Grade-8
Easy

Question

Which of the following organs vibrate on encountering a sound?

  1. Ear drum
  2. Ear canal
  3. Ear lobe
  4. Hammer bone

hintHint:

Ear drum

The correct answer is: Ear drum


    • Ear drum vibrates on encountering a sound.
    • It is a part of the outer ear.
    • It is also called tympanum.
    • So, the correct option is a.

    • Ear pinna collects the sound and directs them into the ear.

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