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Energy — PHYSICS STD 7 — Question

ICSE BoardEnglish MediumSTD 7PHYSICSEnergy1 Mark
MCQ
When we rub our hands
  • A
    kinetic energy changes into potential energy
  • ✓
    mechanical energy changes into heat energy
  • C
    potential energy changes into kinetic energy
  • D
    heat energy changes into mechanical energy.
✓

Answer

Correct option: B.
mechanical energy changes into heat energy

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