Question

u = – 50 cm
V +25 cm
F = ?​

Answer 1

Answer:

66

Explanation:

min hoga yaar......

Answer 2

Answer:

1/v+1/u=1/F

1/25+(-1/50)=1/F

-1+2/50=1/F

1/50=1/F

hence the focal length is 50 cm..

hope this will help u....❤❤

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