Ray Optics and Optical Instruments

Question: The time required to pass the light through a glass slab of $2 mm$ thick is (${{\mu }_{glass}}=1.5$)

1) ${{10}^{-5}}\,s$

2) ${{10}^{-11}}$$s$

3) ${{10}^{-9}}$s

4) ${{10}^{-13}}$$s$

Solution:

Explanation: No Explanation

Refraction of Light at Plane Surfaces

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