Question

an object is placed at a distance 2.5cm from a concave mirror of focal length 10 cm find the image distance and magnification ​

Answer 1

Step-by-step explanation:

This may help you in understanding.

Answer 2

Answer:

u=2.5

v=10

1/u+1/v=1/f

1/v=-1/10+ 1/25

1/v=-5+2/50

1/v=-15/50

1/v=3/10

v=10/3

hope you understand