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Refractive index of glass w.r.t. air is 3/2. What is the refractie index of air w.r.t glass ?
- a)2/3
- b)1
- c)Zero
- d)(3/2)2
Correct answer is option 'A'. Can you explain this answer?
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Refractive index of glass w.r.t. air is 3/2. What is the refractie ind...
If refractive index of glass w.r.t air is 3/2 , then refractive index of air w. r. t glass will be it's reciprocal ie. ⅔ ..
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Refractive index of glass w.r.t. air is 3/2. What is the refractie ind...
Explanation:
The refractive index is a measure of how much a substance can bend light as it passes through it. It is defined as the ratio of the speed of light in vacuum to the speed of light in the medium.
Let's assume the refractive index of air (n1) with respect to glass is x.
We are given that the refractive index of glass (n2) with respect to air is 3/2.
Using the formula for refractive index, we have:
n1 = speed of light in vacuum / speed of light in air
n2 = speed of light in vacuum / speed of light in glass
We are given that n2 = 3/2.
To find n1, we need to rearrange the formula:
n1 = speed of light in vacuum / speed of light in air
= 1 / (speed of light in air / speed of light in vacuum)
Since n2 = 3/2, we can substitute n2 into the formula:
n1 = 1 / (speed of light in air / speed of light in vacuum)
= 1 / n2
Substituting n2 = 3/2 into the formula:
n1 = 1 / (3/2)
= 2/3
Therefore, the refractive index of air with respect to glass is 2/3, which is option A.
The refractive index is a measure of how much a substance can bend light as it passes through it. It is defined as the ratio of the speed of light in vacuum to the speed of light in the medium.
Let's assume the refractive index of air (n1) with respect to glass is x.
We are given that the refractive index of glass (n2) with respect to air is 3/2.
Using the formula for refractive index, we have:
n1 = speed of light in vacuum / speed of light in air
n2 = speed of light in vacuum / speed of light in glass
We are given that n2 = 3/2.
To find n1, we need to rearrange the formula:
n1 = speed of light in vacuum / speed of light in air
= 1 / (speed of light in air / speed of light in vacuum)
Since n2 = 3/2, we can substitute n2 into the formula:
n1 = 1 / (speed of light in air / speed of light in vacuum)
= 1 / n2
Substituting n2 = 3/2 into the formula:
n1 = 1 / (3/2)
= 2/3
Therefore, the refractive index of air with respect to glass is 2/3, which is option A.
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