Question Detail

PHY 104 PHY 104 Past Questions Objective Question

Question

An observer standing at sea coast observes 54 waves reaching the coast per minute. If the wavelength of the waves is 10 m, find the velocity.
Options
A 9 m/s
Correct Answer
B 11 m/s
C 7 m/s
D 8 m/s
Correct Answer

Option A is the correct answer.

Detailed Explanation

Frequency f = 54 waves / 60 s = 0.9 Hz. Velocity v = fλ = 0.9 × 10 = 9 m/s.

Hint

v = fλ.

Question Info