Bright Tutorials Bright Tutorials
CBSE Class 10 Science Question 23 of 60

Solved 2022 Term 1 Question Paper CBSE Class 10 Science — Question 23

Back to all questions
23
Question

Question 23

A ray of light is incident as shown. If A, B and C are three different transparent media, then which among the following options is true for the given diagram?

A ray of light is incident as shown. If A, B and C are three different transparent media, then which among the following options is true for the given diagram? CBSE 2022 Term 1 Science Class 10 Question Paper Solved.
  1. ∠ 1 > ∠ 4
  2. ∠ 1 < ∠ 2
  3. ∠ 3 = ∠ 2
  4. ∠ 3 > ∠ 4
Answer

∠ 3 = ∠ 2

Reason — As the two normals are parallel to each other, so ∠ 2 = ∠ 3 as they form a pair of alternate angles. Hence, ∠ 3 = ∠ 2 is true for the given diagram.