Question

1. The beat frequency when 2 waves of frequencies 8 Hz and 12 Hz superimpose is :
a)2 Hz
b)3 Hz
c)4 Hz
d)5 Hz
2. What can be the maximum difference between the frequency of 2 waves for the formation
of beats:
a)5 Hz
b)10 Hz
c)8 Hz
d)6 Hz​

Answer 1

Answer:

in one answer is c

Explanation:

in two answer is b