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Human Eye and Colourful World — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceHuman Eye and Colourful World1 Mark
MCQ
As light from a far off star comes down towards the earth :
  • A
    It bends away from the normal.
  • ✓
    It bends towards the normal.
  • C
    It does not bend at all.
  • D
    It is reflected back.
✓

Answer

Correct option: B.
It bends towards the normal.
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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