Waec Model Questions Vol1 2020 Physics Question 11

Practice objective / multiple choice question 11 from the 2020 Waec Model Questions Vol1 Physics examination.

Waec Model Questions Vol1 2020 Physics Objective / Multiple Choice Hard Difficulty
Question 11 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • PHYSICS • objective

A beam of light passes from air into a glass medium at an angle of incidence of 30 degrees. If the refractive index of glass is 1.5, calculate the angle of refraction in the glass. Additionally, determine the critical angle for total internal reflection at the air-glass boundary.

Answer Options

A. 15.00 degrees for angle of refraction; 50.00 degrees for critical angle.
Correct Answer B. 19.47 degrees for angle of refraction; 41.81 degrees for critical angle.
C. 22.50 degrees for angle of refraction; 45.00 degrees for critical angle.
D. 25.00 degrees for angle of refraction; 35.00 degrees for critical angle.
Correct Answer
B
Correct Option:
19.47 degrees for angle of refraction; 41.81 degrees for critical angle.

About This Question

This is Waec Model Questions Vol1 2020 Physics Question 11. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Physics examination.

Difficulty level: Hard .

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