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Science CBSE Homework Assignments
Class 10
Light reflection and refraction
Refractive index
1.
Refractive index of glass
Question:
2
m.
R.I. of glass w.r.t. air is \(\frac{3}{2}\), then the R.I. of air w.r.t. glass is –
\(3\)
\(\frac{3}{4}\)
\(\frac{1}{3}\)
\(\frac{2}{3}\)
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