A wire of length L and mass per unit... | Waves on a String

JEE MAIN 2020

09-01-2020 S2

Question

A wire of length L and mass per unit length $6.0 \times 10^{-3} \mathrm{~kg} \mathrm{~m}^{-1}$ is put under tension of 540 N . Twoconsecutive frequencies that it resonates at are: 420 Hz and 490 Hz . Then L in meters is

Select the correct option:

1.1 m

5.1 m

8.1 m

2.1 m

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Easy

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