tthough d ans is correct...i didnt get d u=6 part...isnt d ray coming from infinity......
A diverging lens is placed at origin of coordinate sysytem.eqn of incident ray is y=-x/2+3. The focal length of lens is 4 cm. find eqn of divergent ray...
please help....anyone..
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6 Answers
govind
·2010-03-16 10:50:55
This question has been dicussed earlier here...
http://www.targetiit.com/iit-jee-forum/posts/a-question-on-convex-lens-14509.html
Smriti Kumari
·2010-03-18 10:09:34
its y-3=x/4.
u=6 (ray wud hv intersected x-axis there)
so, v=-12
2 pts for the refracted ray are (-12,0) & (0,3)
var
·2010-03-19 03:44:42