MCQ
The distance between two consecutive crests in a wave train produced in a string is $5 cm.$ If $2$ complete waves pass through any point per second, the velocity of the wave is ..... $cm/sec$
- ✓$10$
- B$2.5$
- C$5$
- D$15$
✓
Answer
Correct option: A.
$10$
a
(a) $v = n\lambda = 2 \times 5 = 10\,cm/sec$
(a) $v = n\lambda = 2 \times 5 = 10\,cm/sec$
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