Physics on General Knowledge related Questions and Answers


Question :   Large astronomical telescopes always use as objective
1. lens
2. mirror
3. combinations of lenses
4. None of the above
Answer :   3 - combinations of lenses  

* Be the First to Post a Comment.

Submit comment :


Captcha Image
Reload

Ask Question

Captcha Image
Reload

Note : Name and Email never shown.





Subscribe


Become a part of EducationForever. Subscribe to our FREE Newsletter