Ray Optics and Optical Instruments

Question: Refractive index of glass is $\frac{3}{2}$ and refractive index of water is $\frac{4}{3}$. If the speed of light in glass is $2.00\times {{10}^{8}}$ m/s, the speed in water will be

1) $2.67\times {{10}^{8}}$ m/s

2) $2.25\times {{10}^{8}}$ m/s

3) $1.78\times {{10}^{8}}$ m/s

4) $1.50\times {{10}^{8}}$ m/s

Solution:

Explanation: No Explanation

Refraction of Light at Plane Surfaces

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