Question

a focal length of a converging lens is 20 CM where will the image be formed if an object is placed at 60 cm from the lens

Answer 1

just check the it..... hope u understand..... just need formula the correct way

Answer 2

Hey,
Given:-
f=-20cm.
u=-60cm.
v=?
Using the formula->1/f=1/u+1/v
1/-20=1/-60+1/v
1/-20-1/-60=1/v
1/30=1/v
v=-30cm.
Hope this helps you buddy!!

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