Physics, asked by orjit, 10 months ago

The filament of a lamp is 80 cm from a screen and an converging lens forms an image of it on a screen , magnified three times .Find the distance of the lens from the filament and the focal length of the lens.

Answers

Answered by jhaaksh

1

Explanation:

u =-80cm

magnification= -3

m=v÷u

-3 =v÷80

-240cm=v

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