A string 2.0 m long fixed ends driven |WAVESTRINGJEEMAIN2019

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JEE MAIN 2019

09-04-2019 S2

Question

A string 2.0 m long and fixed at its ends is driven by a 240 Hz vibrator. The string vibrates in its third harmonic mode. The speed of the wave and its fundamental frequency is

Select the correct option:

A

320 m/s, 120 Hz

B

320 m/s, 80 Hz

C

180 m/s, 80 Hz

D

180 m/s, 120 Hz

✓ Correct! Well done.

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Solution

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