Question

the refrain which medium the critical angel will be maximum?why?​

Answer 1

Answer:

Critical angle when a light travels from a medium n  

2

​  

 to n  

1

​  

,   θ=sin  

−1

(  

n  

2

​  

 

n  

1

​  

 

​  

)

where n is the refractive index.

We know,  n  

air

​  

=1     n  

water

​  

=1.33    n  

glass

​  

=1.5      n  

diamond

​  

=2.4

From this we get,    

n  

glass

​  

 

n  

water

​  

 

​  

=0.886 as the maximum value.

Thus critical angle will be maximum when light travels from glass to water.

Explanation:

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