1.

A Ray is coming parallel to principal axis at distritfrom principal axis find the dist from the pole when.it will meet with principal axis.

Answer»

if the Ray comes parallel to the principal axis it will meet at focus with the distance of 'f'only

if the Ray comes parallel to the principal axis it will meet at focus with the distance of 'f'only

if the ray comes parallel to the principal axis it will meet at focus with the distance of f only



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