MCQ
In the following diagram the correctly marked angles are:
- A∠ A and ∠ e
- B∠ i, ∠ A and ∠ D
- C∠ A, ∠ r and ∠ e
- D∠ A, ∠ r and ∠ D
✓
Answer
- ∠ A and ∠ e
Explanation:
The correctly marked angles in the given figure are the angle of prism (A) and the angle of incidence (i).
All the angles are correctly marked in the figure shown below.
Hence, the correct answer is option (a).
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