wave_mechanics assertion_and_reason Question 22
In the case of a stationary wave, a person hears a loud sound at the antinodes as compared to the nodes. Reason : In a stationary wave all the particles of the medium vibrate in phase.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason are both false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: C
Solution:
The person will hear the loud sound at antinodes than at nodes.
We know that at anti-nodes the displacement is maximum and pressure change is minimum while at nodes the displacement is zero and pressure change is maximum.
The sound is heard due to variation in pressure.
Also in stationary waves particles in two different segments vibrate in opposite phase.
BETA
