Question

B) The concave mirror with a focal length 10 cm and an object of 4 cm
height is placed at a distance of 25 cm before mirror on principal axis.
Find the image distance and nature of image.​

Answer 1

Answer:

f= -10cm, ho=4cm, u= -25

1/f=1/v-1/u

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

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

1/v=-3/50

v=16.66cm

nature of the image is real and inverted.