Correct Option is (B)
Let Frequency of tuning fork be
frequency of tuning fork
Now,
1. ⇒ (MHT CET 2023 12th May Morning Shift )
41 tuning forks are arranged in increasing order of frequency such that each produces 5 beats/second with next tuning fork. If frequency of last tuning fork is double that of frequency of first fork. Then frequency of first and last fork is
A.
B.
C.
D.
Correct Option is (B)
Let Frequency of tuning fork be
frequency of tuning fork
Now,
2. ⇒ (MHT CET 2021 20th September Evening Shift )
Beats are produced by waves and . The number of beats heard per second is
A. 4
B. 1
C. zero
D. 8
Correct Option is (A)
3. ⇒ (MHT CET 2021 20th September Morning Shift )
The frequencies of three tuning forks and are related as . When the forks and are sounded together, the number of beats produced per second is ''. When forks and are sounded together the number of beats produced per second is ''. How may beats are produced per second when forks and are sounded together?
A.
B.
C.
D.
Correct Option is (C)
..... (i)
..... (ii)
Subtracting Eq. (ii) from Eq. (i)
or