Question

A 6 cm object is 8 cm from a convex lens that has a focal length of 5 cm. The image is 4 cm from the lens.

The height of the image is _____cm

Answer 1

do u know the formula of magnification
\[m=-\frac{ v }{ u }\]

Answer 2

another formula is
\[m=-\frac{ l' }{ l }\]

Answer 3

l'=height of image

Answer 4

l=height of object

Answer 5

m=magnification

Answer 6

u=distance of object

Answer 7

v=distance of image

Answer 8

l'=?

Answer 9

response plz for better understanding