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Optics — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10ScienceOptics1 Mark
MCQ
The unit of power is:
  • A
    m
  • B
    ohm
  • ✓
    dioptre
  • D
    ampere
✓

Answer

Correct option: C.
dioptre

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