Question

24,
The refractive index of a medium 'x' with respect to a medium 'y is 2/3
and the refractive index of medlium 'y' with respect to medium 2 is 4/3.
Find the refractive index of medium 'z' with respect to medium 'x'. If the
speed of light in medium 'x' is 3 x 108 ms-1, calculate the speed of light
in medium 'y?
​

Answer 1

Answer:

Answer is 1/2

Speed in Y is 2x10 power 8

Explanation:

x with respect to y is 2/3

y with respect to z is 4/3

Divinding both we get

2/3 divided by 4/3

Answer is 1/2

x with respect to y is 2/3

2/3 = speed of light in y/speed of light in x

2/3= y/3x10 power 8

y= 2x3x10 power 8/ 3

y= 2x10 power 8

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