MCQ
Vibrations is ...?
  • A
    How loud a sound is.
  • A very quick movement back and forth.
  • C
    The loudness or softness of a sound.
  • D
    $A$ and $C$

Answer

Correct option: B.
A very quick movement back and forth.
A very quick movement back and forth.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free