When a ray of light is incident normally

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Target Exam

CUET

Subject

Physics

Chapter

Ray Optics

Question:

When a ray of light is incident normally with an incident angle (i) on the surface of thin film. What will be the angle of refraction (r)?

Options:

0°

30°

45°

90°

Correct Answer:

0°

Explanation:

The correct answer is Option (1) → 0°