Question

An object 0.1 m tall is placed 0.4 m from a convex mirror with a focal length of 0.3 m. What is the height of the image?

Answer 1

0.3m

Explanation:

u = -0.4m

v= ?

f =.3m

1/f =1/v -1/u

from there,

v =1.2m

magnification = 3 so m = hi/ho

• hence 3= hi/0.1

hi = 0.3m

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