Question

Two tuning forks have frequencies 450 Hz and 454
Hz respectively. On sounding these forks together,
the time interval between successive maximum
intensities will be
(a) 84 sec
(b) 1/2 sec
(0) 1 sec
(d) 2 sec


Answer = 1/4 sec​

Answer 1

Answer:

1÷4

Explanation:

= 1÷(n1-n2)

= 1÷ (454-450)

= 1÷4

Answer 2

Answer:

The question is indirectly asking the beat period, 

T=f2−f11=41second

Thats all !!