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PHYSICS

JAMB 2020 - Question 23

Physics 2020 JAMB Past Questions - Question 23: The equation of a wave travelling along the positive x - direction is given by y = 0.25 x 10¯³ sin (500 t - 0.025x).determine the angular frequency of the wave motion.

Choose the correct answers from the options given.

The equation of a wave travelling along the positive x - direction is given by y = 0.25 x 10¯³ sin (500 t - 0.025x).determine the angular frequency of the wave motion.

A: 0.25 X 10¯³ rad s¯1

B: 0.25 X 10¯1 rad s¯1

C: 5.00 X 10¯² rad s¯1

D: 2.50 X 1010³ rad s¯1

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Correct Answer

Explanation

Y = 0.25 X 10¯³ sin (500t – 0.025x) ; compare with, y = A sin (wt ± kx); i.e w = 500 rad/s