Question

The image of a candle flame placed at a distance of 30 cm from a mirror is formed on a screen placed in front of the mirror at the distance of 60 cm from its pole . Find its focal length and the position and the nature of the image

Answer 1

Answer:

You have not mentioned that the image of a candle flame placed at a distance of 30 cm from a plane mirror, convex mirror or concave mirror.

Explanation:

PLEASE SELECT MY ANSWER AS THE BRAINLIEST ANSWER.

Answer 2

Answer:

GIVEN:

u = -30cm

V = -60cm

SOLUTION:

Using mirror formula,

1/f = 1/v + 1/u

1/f = 1/-60 + 1/-30

1/f = -1/20

f = -20cm

Nature: concave mirror

Real and inverted.