Question

An object 1.5 cm highwhen placed in front of a concave mirror , produces a virtual image 3 cm high . If the object is placed at the distance of 6 cm from the pole of the mirror calculate : (i) the position of the image ; (ii) the focal length of the mirror ​

Answer 1

Answer:

it's a concave mirror.

h=+2 cm, H=+3 cm ,u=-8 cm

H/h=v/u

3/2=v/-8

-24/2=v

-12 cm = v

now,

1/v+1u=1/f

-1/12-1/8

-8-12/96

-20/96

-10/48

f=-4.8 cm

Explanation:

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