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The Human Eyes And The Colourful World — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceThe Human Eyes And The Colourful World1 Mark
Question
As light from a far off star comes down towards the earth:
  1. It bends away from the normal.
  2. It bends towards the normal.
  3. It does not bend at all.
  4. It is reflected back.
✓

Answer

  1. It bends towards the normal.

Explanation:

As the light from a far-off star comes towards the earth, it bends towards the normal because the air is denser closer to the surface of the earth.

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