waec model questions vol1 2024 physics
Objective • Question 8
Question 8
WAEC_MODEL_QUESTIONS_VOL1
•
2024
A beam of light passes from air into water at an angle of incidence of 30 degrees. Calculate the angle of refraction in the water. (Refractive index of water is 1.33).
Answer Options
A.
25.00 degrees
B.
30.50 degrees
Correct Answer
C.
22.09 degrees
D.
18.50 degrees
Correct Answer
C
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