Question

A 2.5 cm candle is placed 12 cm away from convex mirror of focal length 30 cm. Give the location of the image and the magnification.

Answer 1

Answer:

Height of object=2.5cm

Object distance=-12cm

Focal length=30cm

1/v=1/f-1/u

1/v=1/30+1/12

1/v=2/60+5/60

1/v=7/60

1/v=1/8.57

v=8.57. 1st

Magnification=h'/h=-v/u

2.5/h=-8.57/12

h=-12x2.5/12. 2nd