A sound wave of frequency | Wave Optics

JEE MAIN 2021

17-03-2021 S1

Question

A sound wave of frequency 245 Hz travels with the speed of 300 ms–1 along the positive x-axis. Each point of the wave moves to and fro through a total distance of 6 cm. What will be the mathematical expression of this travelling wave ?

Select the correct option:

Y(x, t) = 0.03 [sin 5.1 x – (0.2 × 103)t]

Y(x, t) = 0.06 [sin 5.1 x – (1.5 × 103)t]

Y(x, t) = 0.06 [sin 0.8 x – (0.5 × 103)t]

Y(x, t) = 0.03 [sin 5.1 x – (1.5 × 103)t]

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Easy

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