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A Level Physics Revision MCQs: Superposition of Waves

 

Question 1 of 21

1. Wavelength of an incident light when it is incident normally on a diffraction grating having 3000 lines per centimeter angular separation is 10° is
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Question 1 of 21

Question 2 of 21

2. Grating element is equal to
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Question 2 of 21

Question 3 of 21

3. With diffraction grating, the angles are
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Question 3 of 21

Question 4 of 21

4. Microwaves have wavelength of about
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Question 4 of 21

Question 5 of 21

5. For listening radio in cars, external radio aerials are used because
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Question 5 of 21

Question 6 of 21

6. Extra distance travelled by one of waves compared with other is called
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Question 6 of 21

Question 7 of 21

7. Interference pattern of light and dark bands on screen is called
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Question 7 of 21

Question 8 of 21

8. From double-slit experiment, the quantities to be measured are
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Question 8 of 21

Question 9 of 21

9. Effect of diffraction is greatest if waves pass through a gap with width equal to
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Question 9 of 21

Question 10 of 21

10. Fringes are referred to as
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Question 10 of 21

Question 11 of 21

11. When two waves meet, their displacements
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Question 11 of 21

Question 12 of 21

12. If two waves are in phase and have same amplitude then resultant wave has
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Question 12 of 21

Question 13 of 21

13. Splitting of white light in to constituent colors is called
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Question 13 of 21

Question 14 of 21

14. Principle of superposition can be applied to
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Question 14 of 21

Question 15 of 21

15. Spreading of wave as it passes through a gap or around an edge is called
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Question 15 of 21

Question 16 of 21

16. For destructive interference, the path difference is
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Question 16 of 21

Question 17 of 21

17. Visible light has wavelength of
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Question 17 of 21

Question 18 of 21

18. Constructive interference happens when two waves are
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Question 18 of 21

Question 19 of 21

19. In young double slit experiment, the wavelength of incident beams should be
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Question 19 of 21

Question 20 of 21

20. Coherent sources emit waves that have
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Question 20 of 21

Question 21 of 21

21. Two waves with phase difference 180° have resultant of amplitude
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Question 21 of 21


 

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