Question

The frequency of seconds pendulum on the surface of moon is:
(A) 1 Hz
(B) 2 Hz
(C) 0.5 Hz
(D) 0.25 Hz
If three identical springs each of constant 'K' are joined together in series then the spring constant of resultant
spring will be:
(A) 2K
(B) 3K
During SHM, which of the following is zero at mean position?
(A) K.E
(B) P.E
(C) Total Energy (D) Velocity
Ratio of the fundamental frequency of an open end and closed end organ pipe of same length is:
(A) 2:1
(B) 1:1
(C) 1:2
(D) 4:1
Energy is not carried by
- waves.
(A) Transverse (B) Longitudinal (C) Stationary
(D) Electromagnetic​

Answer 1

Explanation:

vbhfdcbjfdgkifcbjdf hiijydckizc ki fscj

Answer 2

There are thee identical springs so constant is k so 0.24