Question

An obiect 1.2 cm height is placed 30cm before
a concage mirror of focal length 20cm
a real image at a distance of 6ocm from the
mirror, what is the height of image formed .​

Answer 1

Answer:

2.4 cm

Explanation:

distance of object/distance of image=height of object/ height of image

$\frac{30}{60} = \frac{1.2}{h}$

$h= 1.2 \times 2$

$h = 2.4$