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Question

Question: If <sup>i</sup>µ<sub>j</sub> represents the refractive index when a ray of light goes from medium i ...

If iµj represents the refractive index when a ray of light goes from medium i to medium j, then product 2µ1 × 3µ2 × 4µ3 is equal to-

A

3µ1

B

3µ2

C

D

4µ2

Answer

Explanation

Solution

2µ1 × 3µ2 × 4µ3 = μ1μ2\frac { \mu _ { 1 } } { \mu _ { 2 } }×μ2μ3\frac { \mu _ { 2 } } { \mu _ { 3 } }×μ3μ4\frac { \mu _ { 3 } } { \mu _ { 4 } }= μ1μ4\frac { \mu _ { 1 } } { \mu _ { 4 } }= 4µ1 =