Wave Mechanics Question 753
Question: The first overtone of a stretched wire of given length is 320 Hz. The first harmonic is :
[DPMT 2004]
Options:
A) 320 Hz
B) 160 Hz
C) 480 Hz
D) 640 Hz
Show Answer
Answer:
Correct Answer: B
Solution:
Frequency of first overtone or second harmonic (n2) $ =320,Hz $ . So, frequency of first harmonic $ n _{1}=\frac{n _{2}}{2}=\frac{320}{2}=160Hz $
BETA
