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Friction — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceFriction1 Mark
MCQ
Why does a meteor burn upon entering the earth's atmosphere?
  • A
    Due to gravitational pull.
  • B
    Due to the heat of the earth.
  • C
    Due to solar radiation.
  • ✓
    Due to excess friction in air.
✓

Answer

Correct option: D.
Due to excess friction in air.
Due to the very high speed of meteor when it enters the earth's atmosphere, the heat produced by the friction of air is very large which causes the meteor to burn.

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