Question

Find the refractive index of a glass slab placed in air, if the thickness of slab is 3 cm and vertical shift is calculated as 1 cm​

Answer 1

Explanation:

we know that the real dept,, =apartment dept -vertical dept

3=appartment dept -1

appartment dept= 3+1

=4

now the answer is 3/4

Answer 2

Answer:

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