Question

please solve this question ​

Answer 1

Given:

f=10cm

u=15cm

Therefore object is placed between 2F1 and F1.

1/f=1/v+1/u

1/v=1/f-1/u

1/v=1/-10 - 1/-15

1/v=-1/10+1/15

=-3+2/30.

1/v =-1/30

v=-30cm

NATURE:

1)real

2) inverted

Answer 2

The nature of the image is real