A diverging lens of focal length 20 cm and a converging lens

Question:

A diverging lens of focal length $20 \mathrm{~cm}$ and a converging lens of focal length $30 \mathrm{~cm}$ are placed $15 \mathrm{~cm}$ apart with their principal axes coinciding. Where should an object be placed on the principal axis so that its image is formed at infinity?

Solution:

Leave a comment

Close

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now