Question

16. The focal length of a concave mirror is 20 cm. Fins
the position of image of the object kept at
distance of 30 cm from the mirror, (2011)​

Answer 1

Answer:

-60cm

Step-by-step explanation:

f=20

u=30

Mirror= concave mirror

Solution:-

From mirror formula:-

1/f=1/v+1/u

1/v=1/30-1/20

1/v= -1/60

v= - 60cm