Question

If the object is placed at a distance of 8 cm . what will be the image distance formed by convex lens of focal length 10cm?

Answer 1

Answer:

here, u=-8cm,f= -10cm

by using formula,

1/v+1/u=1/f

1/v=1/f-1/u

1/v=-1/10+1/8=1/40

so, v(image distance)=40cm

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