Question

1. An obiect is placed 30cm distance from the concave mirror and image formed at 45cm. from the pole. find the focal length of the mirror and mention the characteristics of the image formed. ​

Answer 1

Answer:

u= -30cm

v= -45cm

1/u + 1/v = 1/f

1/-30 + 1/-45 = -75/1350

1/8=1/f

f=8cm

image

1. real
2. inverted
3. magnified