NEET2013Physics-Waves

NEET 2013 Physics Sonometer MCQ Question

Type: MCQ-numerical-Hard-Class 11

The length of the wire between two ends of a sonometer is 100 cm. What should be the positions of two bridges below the wire so that the three segments of the wire have their fundamental frequencies in the ratio 1 : 3 : 5

A

23 cm, 23 cm

B

1500 cm, 300 cm

C

300 cm, 1500 cm

D

23 cm, 23 cm

Correct Answer

Option A

Detailed Explanation

The segments must be in the ratio of 1:3:5. Solving for the lengths that satisfy this condition within 100 cm gives 23 cm, 23 cm.

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