Physics Optical Instruments Test 1 Online Mcqs

Maan AliLast Updated: October 13, 2025

Start your preparation for Physics Optical Instruments Test 1 Online Mcqs. This online test contains important MCQs from past papers. Attempting this test will help you prepare for Annual Exams and Entry Tests. Read the questions carefully and select the correct option below to see your result.

Important Optical Instruments Test 1 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 1 Practice Mcqs with Explanation

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Engineering Subject

1. The different parts of spectrometer

2. The function of collimator is

3. If the magnification M₁ = 20.0 for objective and M₂ = 12.0 then total magnification is

4. A spectrometer is an optical device used to study the spectra from different sources of light which is

5. Spectrometer can measure quite accurately prism

6. In viewing the distant objects the angle subtended at the telescope is

7. Turn table is the plate form over which we place

8. If the focal length of objective is 10 mm find its magnification

9. Telescope is an optical device used for viewing

10. A microscope has an objective lens of 10 mm focal length and an eye piece of 25.0 mm focal length what is the distance between the lenses

11. Magnifying power of a astronomical telescope in normal adjustment is

12. If the focal length of eye piece is 25.0 mm find its magnification

13. In an astronomical telescope is the objective has the focal length f₀ is

14. In an astronomical telescope the eye piece has the focal length fee is

15. In normal adjustment, the length of the telescope is

16. The image formed after objective lens of an astronomical telescope is

17. When an image formed by the objective lies at the focus of both the objective and the eye-piece, the telescope is said to be in Final adjustment

18. When an image is placed at the focal length of the eye piece, the final image formed at

19. A simple telescope is consists of

20. Spectrometer using diffraction grating can measure


 

How to Score High in Physics Optical Instruments Test 1 Online Mcqs?

Mastering scientific subjects requires conceptual clarity.

Key Preparation Tips:

  • Concepts First: Ensure you understand the underlying theories before attempting the MCQs.
  • Time Management: Attempt this online quiz multiple times to improve your speed.

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Maan AliLast Updated: October 13, 2025

Maan Ali

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2 Comments

  1. Please correct these mistakes:

    3. The revolving power of a lens is given by
    (a) R = 1/?min= D/1.22 ?

    7. A compound microscope is consists of an eye piece of focal length
    (a) Large

    Reply

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