Question

For beats to be produced ___________

(a) Frequency of sources should be different and amplitude should be the same

(b) Frequency of sources should be same and amplitude should be different

(c) Frequency of sources should be same and amplitude should be different

(d) Frequency of sources should be same and amplitude should be the same

Answer 1

The correct choice is (a) Frequency of sources should be different and amplitude should be the same

For explanation: For beats formation, frequency of sources should be slightly different and amplitude should be the same.