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  4. In the diagram, a ray is passing through a broken prism, find angular deviation for the ray

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Q. In the diagram, a ray is passing through a broken prism, find angular deviation for the rayPhysics Question Image

Ray Optics and Optical Instruments

Solution:

image
From triangle interior angles
$A= 180^{\circ}-60^{\circ}-30^{\circ} $
$=90^{\circ}$
$i+e =A+\delta $
$45^{\circ}+60^{\circ}=90+\delta $
$\therefore \delta=15^{\circ}$