Physical Optical Physics Multiple Choice Questions

By: Prof. Dr. Fazal Rehman | Last updated: March 3, 2022

Physical Optical Physics Multiple Choice Questions

1. When the interference of light was proposed: A. 1825 B. 1830 C. 1810 D. 1805 E. None of these

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A

2. X-rays was discovered in A. 1898 B. 1900 C. 1895 D. 1880

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C

3. Which one of the following is an example of a non-luminous object? A. The sun B. The moon C. Candle D. An electric bulb

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B

4. A light detect by our color is… A. ROYGBIV, rainbow color form B. RGB form C. The simple form of a particular color D. None of these

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A

5. Which of the following Symbol is used to represent the speed of light in vacuum or air is A. a B. l C. v D. c

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D

6. Convex mirror formed image is______ A. Real, erect and magnified B. Virtual, real C. Virtual, erect and diminished D. Real and inverted

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C

7. Which of the two types of lenses are correct? A. Living and non living B. Small and large C. Transpiring and respiring D. Converging and diverging

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D

8. Radius of curvature is______ A. 30 cm B. 45 cm C. 14 cm D. 8.5 cm

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A

9. Which of the following is example of Non-luminous objects? A. Moon B. sun C. Transparent D. Opaque objects

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A

10. When a convex lens has a focal length of 20cm, what is the power in dioptre is A. 4 B. 6 C. 0.5 D. 5

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D

11. What is the SI unit of power of lense… A. cm B. dioptre C. watt D. meter

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B

11. Convex of the lens is also used to____ A. Diverging lens B. Refracting lens C. Converging lens D. Both A and C E. None of these

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C

12. How a virtual image is formed_____ A. Telescope B. Simple microscope C. Slide projector in the cinema D. Ordinary camera E. None of these

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B