Physics Optical Instruments Test 2 Mcqs Online

Maan AliLast Updated: October 13, 2025

Important Optical Instruments Test 2 Question Answer

Total Questions: 20
Time Allowed: 10 Minutes
Total Marks: 20
How to Attempt Test: Please choose the right Option in MCQ-type question.
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Physics Optical Instruments Test 2 Practice Mcqs With Explanation

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Engineering Subject

1. Angle subtended by any side of the eight-sided mirror at the centre is

2. The speed of light in other material is always

3. The refracting edge of the prism must be parallel to the axis of rotation of the telescope, so that the turn table is leveled using

4. Graham Ball photo phone used a modulated beam of

5. The resolution of microscope depends on objective’s

6. Fiber optics also used to transmit light

7. At certain speed, the time taken by light in moving from M to m and back to M is equal to the time taken by

8. Photo phone was invented by

9. The advantage / advantages of fiber optics than radio wave carriers

10. The time taken by the mirror M to rotate through an angle 2Ï€/8 is

11. In photo phone modulated beam of reflected sun light focused on a detector several hundred meters away with the device

12. The minimum distance between an object and its image in convex lens is

13. A telescope is rotatable about the same vertical axis as the turntable, with a scale which is

14. A circular scale is attached and graduated in

15. Who attempted to measure the speed of light

16. An image formed by a concave lens is always

17. The time taken by light for its passage from M to m and back is

18. Fire optics has ability to transmit

19. A wide objective and the use of blue light of short wavelength produces

20. A double convex lens acts as a diverging lens when the object is


 

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Maan AliLast Updated: October 13, 2025

Maan Ali

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