waec model questions vol1 2024 physics
Objective • Question 2
Question 2
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 medium is changed and the speed increases to 510 m/s while maintaining the same frequency, what will be the new wavelength?
Answer Options
A.
2.5 m for the first medium; 2.8 m for the second medium.
B.
1.5 m for the first medium; 4 m for the second medium.
C.
3.5 m for the first medium; 5 m for the second medium.
Correct Answer
D.
2 m for the first medium; 3 m for the second medium.
Correct Answer
D
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