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P-1 Refraction of light — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Refraction of light1 Mark
MCQ
The absolute refractive index…………
  • A
    is expressed in dioptre
  • B
    is expressed in $m / s$
  • C
    of air is about $\frac{4}{3}$
  • ✓
     has no unit
✓

Answer

Correct option: D.
 has no unit
 has no unit

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