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A concave mirror of focal lenght F1 is placed at a distance ofd(m) from a convex lens of focal lenght F2. a beam of light coming from infinity and falling on this convex lens,concave mirror combination returns to infinity. the distanced is equal to

SUDHARSANA V V , 7 Years ago
Grade 10
anser 1 Answers
Arun

Last Activity: 7 Years ago

Dear student

If you draw its figure, you will get-

∴ d = 2f1+f2

 

Regards and Thanks

Arun (askIITians forum expert)

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