A sonometer wire or iengtn 79 cm emits a note of frequency 234 Hz. The length of the wire is then reduced by 1 cm and is allowed to vibrate, How many beats will be produced per sec wiln a uning fork of frequency 240 Hz ?
A. 2
B. 3
C. 4
D. 5
Answer:B
A sonometer wire or iengtn 79 cm emits a note of frequency 234 Hz. The length of the wire is then reduced by 1 cm and is allowed to vibrate, How many beats will be produced per sec wiln a uning fork of frequency 240 Hz ?
A. 2 B. 3 C. 4 D. 5