Ray Optics and Optical Instruments

Question: The time taken by sunlight to cross a 5 mm thick glass plate $(\mu =3/2$) is

1) 0.25$\times $10–10 $s$

2) $0.167\times {{10}^{-7}}$$s$

3) $2.5\times {{10}^{-10}}$$s$

4) $1.0\times {{10}^{-10}}$$s$

Solution:

Explanation: No Explanation

Refraction of Light at Plane Surfaces

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