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Question 36Asked in DSSSB TGT Computer Science, 24 Jun 2023, Shift 3 (4:30 PM)

How many internal reflections do light rays undergo, inside a raindrop, to form a secondary

How many internal reflections do light rays undergo, inside a raindrop, to form a secondary rainbow?
  1. AOne
  2. BFour
  3. CThree
  4. DTwo
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Correct answer: (D) Two

Explanation

A primary rainbow forms after one internal reflection inside the raindrop, and a secondary rainbow after two. That is why the secondary bow is fainter and its colours are reversed.

From DSSSB TGT Computer Science PYQ, 24 Jun 2023, Shift 3 (4:30 PM)

This is question 36 of DSSSB TGT Computer Science PYQ, 24 Jun 2023, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.