Question

a point object is placed at a distance of 30 cm from a convex mirror of focal length of 30 cm . the image will be formed at ?​

Answer 1

Answer:

Convex mirror:

u= -30cm

f= +30cm

v=?

1/u + 1/v = 1/f

1/-30 + 1/v = 1/30

1/v = 1/30 + 1/30

1/v = 2/30

Therefore, v = 30/2 = 15

v=15cm