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Light – Reflection and Refraction — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLight – Reflection and Refraction1 Mark
MCQ
The speed of light in air is:
  • A
    3 × 108cm/ s
  • B
    3 × 108mm/ s
  • C
    3 × 108km/ s
  • D
    3 × 108m/ s
✓

Answer

  1. 3 × 108m/ s

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