Question

An object is placed at the following distances from a concave mirror of focal length

20 cm.

a) 10 cm, b)30 cm, c)40 cm and d)50 cm

Which position of the object will produce:

i) virtual image?

ii) a diminished real image?

iii) an enlarged real image?

iv) an image of same size?​

Answer 1

Answer:

40

Explanation:

1) a real image of the same size -30cm

2)a virtual enlarged image-10cm

3)a real diminished image -35 cm

4)a real enlarged image -20cm