Question

An object is placed at 90 cm away from a concave mirror from the focal length 30cm find the position and nature of image

Answer 1

Answer:

position of image = -45 cm and it is a real image

Explanation:

1/f = 1/v + 1/u

1/-30 = 1/v - 1/ 90

1/v = - 1/ 45

v = -45 cm

Answer 2

Answer:

-45 cm

Kindly find the attachment for your reference!

Explanation: