Question

An object is kept at a distance 20 cm from a concave mirror of focal length 10 cm. The position of image will be what ?

⭐⭐⭐⭐⭐ NO SPAM ⭐⭐⭐⭐⭐

Answer 1

Explanation:

u= -20cm

f= -10cm

v=?

1/f=1/v+1/u

1/-10=1/v -1/20

1/v= 1/10- 1/20 = 2-1/20

1/v= 1/20 means -20

in front of mirror, real inverted