IIT JAM
Maadha dheena Asked a Question
June 25, 2020 1:52 pmpts 30 pts
  • IIT JAM
  • Physics (PH)

How focal length become 2f?any one explain me please.

(a) When a lens of focal length f is cut into two equal halves perpendicular to principal axis, then each part of the lens has a focal length 2f. (v)
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  • Himanshu Pandey Best Answer
    This one also, best wishes
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  • Himanshu Pandey thankyou
    See attachment ,it will be helpful
    • cropped4089954184250393080.jpg
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  • Vaishnavi rajora thankyou
    see attached
    • cropped4602964080292865921.jpg
    • cropped2007228311742786302.jpg
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