Wave Motion 2 Question 1
1. A tuning fork of frequency is used in an experiment for measuring speed of sound in air by resonance tube method. Resonance is observed to occur at two successive lengths of the air column and .
Then,
(Main 2019, 12 April II)
(a)
(b)
(c)
(d)
Show Answer
Answer:
Correct Answer: 1. (b)
Solution:
- In a resonance tube apparatus, first and second resonance occur as shown
As in a stationary wave, distance between two successive nodes is
So, speed of sound,