WAEC Physics 2022 Objective — Question 42
Question 42 of 50 from the West African Examinations Council (WAEC) Physics 2022 Objective paper, with the correct answer and a full explanation.
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Which of the following statements about light travelling from one material medium to another is not correct?
- A. The refracted angle is less than the incident angle if the speed is higher in the first material
- B. It bends away from the normal if the speed is lower in the first materialCorrect
- C. Its wavelength changes but its frequency remains constant
Explanation
Light bends towards (not away from) the normal when moving into a medium where its speed is lower — making this statement incorrect.
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