Physics, asked by swe9tash4errafa, 1 year ago

Show that the limiting value of the angle of prism is twice its critical angle? Hence define critical angle?

Answers

Answered by sharinkhan
25
Angle of prism= A = r1 + r2

in case when i1 = i2 = 90 degrees
than r1 = r2 = C
c = critical angles 

so, A = C + C
A = 2C

while the critical angle is defined as the angle of refraction when a ray of light enters from on side and refracts and comes out from the other side of the prism 
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