Question

An object of height 2 cmn is placed at a distance of 15 cm from a concave
mirror of focal length 10 cm. Draw a scale diagram to locate the image
From the diagram. find the length of the imate formed.
Ans. 4 cm!​

Answer 1

answer is 4 cm

Explanation:

1/f=1/u+1/v

1/v=1/u-1/f

1/v=1/15-1/10

1/v=2-3 /30

1/v=1/30

v=30

magnification =h1/h=-v/u

h1/2=-30/15

h1=60/15

h1=4cm

HOPE IT HELPS YOU!!!