Question:
The eyepiece of an astronomical telescope has a focal length of $10 \mathrm{~cm}$. The telescope is focused for normal vision of distant objects when the tube length is $1.0 \mathrm{~m}$.
Find the focal length of the objective and the magnifying power of the telescope.
Solution:
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.