Question

At what distance should an object be placed from a convex lens of focal length 18 cm to obtain an image at 36 cm from it?
What will be the magnification produced in this case?
Ansswwer Fassst.

Answer 1

Answer is Attached Above.

Answer 2

Answer:

Given,

Focal length of convex lens f= 18 cm

Image distance v= 36 cm

We know that lens formula is:

Substituting the given values in formula

u = -36

Substituting the values in the formula: