ECAT Physics Optical Instruments 2 Test Online

Photo of Maan Ali Maan AliLast Updated: May 5, 2025

Physics Optical Instruments 2 Online Test

ECAT Physics Optical Instruments 2 Chapter Online Test

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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ECAT Physics Optical Instruments 2 Test Online

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Engineering Subject

1. 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

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

3. A circular scale is attached and graduated in

4. The resolution of microscope depends on objective’s

5. The speed of light in other material is always

6. Fiber optics also used to transmit light

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

8. Photo phone was invented by

9. The time taken by the mirror M to rotate through an angle 2π/8 is

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

11. An image formed by a concave lens is always

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

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

14. Fire optics has ability to transmit

15. Who attempted to measure the speed of light

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

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

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

19. Graham Ball photo phone used a modulated beam of

20. 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


 

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Photo of Maan Ali Maan AliLast Updated: May 5, 2025
Photo of Maan Ali

Maan Ali

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