Consider a tank made of glass (reiractive index 1.5) with a thick bottom. It is filled with a liquid of refractive index ., A student finds that, irrespective of what the incident angle i(see figure0 is for a beam of light entering the liquid, is never reflected from the liquid glass interface happen, the minimum value of is:
a. |
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b. |
|
c. |
|
d. |
|
Consider a tank made of glass (reiractive index 1.5) with a thick bottom. It is filled with a liquid of refractive index ., A student finds that, irrespective of what the incident angle i(see figure0 is for a beam of light entering the liquid, is never reflected from the liquid glass interface happen, the minimum value of is:
a. |
|
b. |
|
c. |
|
d. |
|
c < ib
Here ib is “brewester angle”
And c is critical angle
sinc+sinib
Since tan ib= =
< sin ib=
< 1.5
2+(1.5)2< ( 1.5)2
<
Slab =1.5