Answers for Physics Online Test - Online Exam - Online Quiz - Mock Test
←Go Back to Online Practice Test| Ques. Large astronomical telescopes always use as objective |
| Option 1. combinations of lenses |
| Option 2. lens |
| Option 3. mirror |
| Option 4. None of the above |
Ans. Option 1 |
| Please provide the reason below. The best provided reason will be displayed with your name(if you are logged-in) on website. |
| Enter Reason |
Is it helpful?
Yes
No