When light is incident on a medium at angle i and refracted into a second medium at an angle r , the graph of sin i vs sin r is as shown in the graph. From this, one can conclude that
A
Velocity of light in the second medium is 1.73 times the velocity of light in the I medium
B
Velocity of light in the I medium is 1.73 times the velocity in the II medium
C
The critical angle for the two media is given by sin 
D
sin 
Text Solution
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(b, c)
From graph 
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Also from 
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