Wave Mechanics Basics Of Mechanical Waves Question 88
Question: A wavelength 0.60 cm is produced in air and it travels at a speed of 300 ms?1. It will be an
[UPSEAT 2000]
Options:
A) Audible wave
B) Infrasonic wave
C) Ultrasonic wave
D) None of the above
Show Answer
Answer:
Correct Answer: C
Solution:
$ n=\frac{v}{\lambda }=\frac{300}{0.6\times {{10}^{-2}}}Hz $
$ =\frac{3}{6}\times 10^{4}Hz=50,000Hz $
Therefore Wave is ultrasonic.
BETA
