JEE Main 10 Apr 2019 Paper 1 Solved Paper

Section: Physics

Question : 11 of 90

Marks: +1, -0

A ray of light AO in vacuum is incident on a glass slab at angle 60° and refracted at angle 30° along OB as shown in the figure.The optical path length of light ray from A to B is:

[10 Apr 2019 Shift 1]

2a+2b
2√3
a
+2b
2a+
2b
3
2a+
2b
√3

Validate

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