Question

Numericals :
1. The heart of a man beats 75 times a minute. What
is its (a) frequency and (b) time period ?
2. The time period of a simple pendulum is 2 s. Find
its frequency
3. The separation between two consecutive crests
in a transverse wave is 100 m. If wave velocity is
20 m s-, find the frequency of wave.
4. A longitudinal wave travels at a speed of 0.3 m s-1 and
the frequency of wave is 20 Hz. Find the separation
between the two consecutive compressions.​

Answer 1

Answer:

The time period of a simple pendulum is 2 s. Find its frequency 3. The separation between two consecutive crests in a transverse wave is 100 m. If ..