MCQ on Class 12 Physics Chapter 10 Wave Optics with Answers

We have compiled the MCQ Questions for Class 12 Chemistry Chapter 10 Wave Optics with Answers Pdf free download covering the entire syllabus for JEE/NEET and Boards. Practice MCQ Questions for Class 12 Physics with Answers on a daily basis and score well in exams. Refer to the Wave Optics Class 12 MCQs Quiz Questions with Answers here along with a detailed explanation

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Wave Optics Class 12 MCQs Questions with Answers

MCQ Questions for Class 12 Physics Chapter 10 Wave Optics with Answers

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1. The electromagnetic wave theory of light fails to explain :

 
 
 
 

2. The device which produces highly coherent sources is

 
 
 
 

3.  Which of the following is correct for light diverging from a point source?

 
 
 
 

4.  In Young’s double slit experiment, one slit is covered with
red filter and another slit is covered by green filter, then
interference pattern will be

 
 
 
 

5. What happens if one of the slits, say S1 in Young’s double slit experiment is  covered with a glass plate which absorbs half the intensity of light from it?

 
 
 
 

6. Laser light is considered to be coherent because it consists of

 
 
 
 

7. The diffraction effects in a microscopic specimen become important when the separation between two points is

 
 
 
 

8. C.V. Raman was awarded the Nobel prize for his work associated with which of the following phenomenon of radiations?

 
 
 
 

9. Two lenses having power +6 D and -4 D are placed in contact. The power of the combination is

 
 
 
 

10. The theory of expanding universe is confirmed by the observation of the spectral lines of the star, which shows :

 
 
 
 

11. When monochromatic light is replaced by white light in Fresnel’s biprism arrangement, the central fringe is

 
 
 
 

12. Huygen’s concept of secondary wave

 
 
 
 

13. A monochromatic light is refracted from air into a glass of refractive index µ. The ratio of the wavelengths of the incident and the refracted waves is:

 
 
 
 

14. When unpolarised light is incident on a plane glass plate at Brewster’s angle, then which of the following statements is correct?

 
 
 
 

15. In a Young’s double slit experiment the distance between the slit is 1 mm and the distance of screen from the slit is 1 m. If light of wavelength 6000 A is used then the fringe width is:

 
 
 
 

16. Polarization of light prove the :

 
 
 
 

17. In a double slit interference pattern, the first maxima for infrared light would be

 
 
 
 

18. The locus of all particles in a medium, vibrating in the same phase is called

 
 
 
 

19. For sustained interference, we need two sources which
emit radiations :

 
 
 
 

20. Polaroid glass is used in sun glasses because

 
 
 
 

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