Question

There are two instants shown for a wave, choose the correct option

• A. Pitch of wave A is greater than wave B
• B. Time period of wave A is greater than wave B
• C. Frequency of wave B is greater than wave A
• D. Both A & C

Answer 1

The correct option is A

Pitch of wave A is greater than wave B

Pitch depends on frequency. Higher the pitch, higher is the frequency. So, wave A has a higher frequency than wave B and hence a higher pitch. Since, time period is reciprocal of frequency so more is the frequency lesser is the time period.