The frequency of the spectral line obtained when the electron in n = 3 of hydrogen atom drops to the ground state is:
2.925 X 1015 Hertz
2.925 X 1013 Hertz
2.925 X 1014 Hertz
36559 X 1010 Hertz
The longitudinal waves travel in a coiled spring at a rate of 4 m/s. The distance between two consecutive compressions is 20 cm. Find the frequency of the wave?
A longitudinal wave travels through a coiled spring at a speed of 4 ms−1. The distance between two consecutive compression is 20 cm. Find the frequency of the wave?