Question

an object is placed at a distance of 25cm in the focus of a thin lens if its real image is formed at a distance of 10 cm from 4 second focus and focal length of lenses
1) 25cm. 2) 11cm
3) 15cm. 4) 20cm ​

Answer 1

Explanation:

20 cm...................

Answer 2

Answer:

hi bro

Explanation:

option 4 )20 cm ....