Refraction of right at plane and spherical surfacesMedium
Refraction Through a Transparent Block
Two light beams fall on a transparent material block at point 1 and 2 with angle θ1 and θ2 , respectively, as shown in figure. After refraction, the beams intersect at point 3 which is exactly on the interface at other end of the block. Given : the distance between 1 and 2, 
and 
, where refractive index of the block n2 > refractive index of the outside medium n1, then the thickness of the block is ________ cm.
and , where refractive index of the block n2 > refractive index of the outside medium n1, then the thickness of the block is ________ cm.
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