The refractive index of water and glycerine are 1.33 and 1.47 respectively. What is the critical angle for a light ray going from the latter to the former?
a)
b)
c)
d)
None of these
The refractive index of water and glycerine are 1.33 and 1.47 respectively. What is the critical angle for a light ray going from the latter to the former?
a)
b)
c)
d)
None of these
Question ID - 152341 | SaraNextGen Top Answer
The refractive index of water and glycerine are 1.33 and 1.47 respectively. What is the critical angle for a light ray going from the latter to the former?
a)
b)
c)
d)
None of these
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The refractive index of water and glycerine are 1.33 and 1.47 respectively. What is the critical angle for a light ray going from the latter to the former? |
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a) |
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b) |
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c) |
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d) |
None of these |
1 Answer
127 votes
Answer Key / Explanation : (b) -
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(b) When a ray of light passes from glycerine (denser,
When
|
) to water (rarer, 
) the angle of refraction 
is greater than angle of incidence (
), then from Snell’s law
, corresponding angle of incidence is known as critical angel, 
127 votes
Answer Link
127