Waves - Result Question 19
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19. Two sound waves having a phase difference of $60^{\circ}$ have path difference of
======= ####19. Two sound waves having a phase difference of $60^{\circ}$ have path difference of
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed:content/english/neet-pyq-chapterwise/physics/waves/waves—result-question-19.md (a) $2 \lambda$
(b) $\frac{\lambda}{2}$
(c) $\frac{\lambda}{3}$
(d) $\frac{\lambda}{6}$
[1996]
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Answer:
Correct Answer: 19. (d)
Solution:
- (d) Phase difference $=60^{\circ}=\frac{\pi}{3}$
Path difference $=\frac{\lambda}{2 \pi}$ (phase diff.)
$=\frac{\lambda}{2 \pi} \times \frac{\pi}{3}=\frac{\lambda}{6}$
