The optical path of a monochromatic light is same , if it goes through a glass which is 4 cm - Physics - Ray Optics And Optical Instruments

Question

The optical path of a monochromatic light is same , if it goes
through a glass which is 4 cm thick and then through water which is
4 5 cm thick ( wideness or width ) If the refractive index of glass
is 1 3 , refractive index of water is
a ) 1 3 b) 1 36 c ) 1 42 d ) 1 46

Vara · Accepted Answer

Dear
Student,
Please find below
the solution to the asked query:
Optical path=Geometric length * Refractive indexL1 μ1 = L2 μ24 × 1
3 = 4 5 × μ2μ2=1
2Note:In the given problem, I guess that it was wrongly mentioned thatrefractive index of glass is 1
3
 In fact, it is supposed to be 1
53
Plz check the data of the question again
Let me provide answer for 1 53 also
Optical path=Geometric length * Refractive indexL1 μ1 = L2 μ24 × 1
53 = 4 5 × μ2μ2=1 36
Hope this information will clear your doubts about
Refraction
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The optical path of a monochromatic light is same , if it goes through a glass which is 4 cm thick and then through water which is 4.5 cm thick ( wideness or width ) . If the refractive index of glass is 1.3 , refractive index of water is a ) 1.3 b) 1.36 c ) 1.42 d ) 1.46

The optical path of a monochromatic light is same , if it goes through a glass which is 4 cm thick and then through water which is 4.5 cm thick ( wideness or width ) . If the refractive index of glass is 1.3 , refractive index of water is
a ) 1.3 b) 1.36 c ) 1.42 d ) 1.46