waec model questions vol1 2024 physics
Objective • Question 18
Question 18
WAEC_MODEL_QUESTIONS_VOL1
•
2024
A wave travels through a medium with a speed of 340 m/s and has a frequency of 170 Hz. Calculate the wavelength of the wave. If the wave is reflected at a boundary, what will be the frequency of the reflected wave?
Answer Options
A.
3 m, 170 Hz
Correct Answer
B.
2 m, 170 Hz
C.
1 m, 170 Hz
D.
2 m, 150 Hz
Correct Answer
B
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