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When light enters the… (Class 10 Science SQP 2023-24, Q14)

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ScienceCBSE Class 10 · Sample paper, session 2023-24 · 1 mark · MCQ

CBSE Class 10 Science sample paper 2023-24: question 14

From the official CBSE sample question paper for 2023-24, section A, question 14, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q14 · 1 mark · MCQThe Human Eye and the Colourful World

When light enters the atmosphere it strikes on extremely fine particles, which deflect the rays of light in all possible directions. This is due to -

  1. (A)reflection of light
  2. (B)atmospheric refraction
  3. (C)scattering of light
  4. (D)dispersion of light

Source: official sample paper from cbseacademic.nic.in (PDF). See it in the full Sample paper 2023-24.

Hints

Open one hint at a time and try again before the next.

Hint 1

Which phenomenon explains the blue sky?

Hint 2

Particles that deflect light in all directions cause...

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. When very fine particles in the atmosphere send light off in all directions, the effect is called scattering.

  2. This is the reason for the blue colour of the sky and the Tyndall effect. So the answer is option (C).

    1 mark

Answer: Scattering of light, option (C)

Where the marks are

  • Identifies scattering of light (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from The Human Eye and the Colourful World, one at a time, marked against the answer key and marking points.Back to the full paperSample paper 2023-24: every question, by section.

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.