Physical Optics Test Online Preparation Mcqs

Physical Optics Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. Light on passing through a Polaroid is
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. In Young’s double slit experiment, the fringe spacing is equal to (d=slit separation and D = distance of screen from slits)
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. In an interference pattern
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. In Young’s double slit experiment, the separation between the slit is halved and distance the between the slit and screen is doubled. The fringe width is
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. The condition of constructive interference of two coherent beams is that the path difference should be
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. The velocity of light was determined accurately by
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. The blue colour of the sky is due to
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. When one mirror of a Michelson Interferometer is moved a distance of 0.5 mm, we observe 2000 fringes. What will be wavelength of light used?
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Which one of the following is nearly monochromatic light?
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Huygen wave theory explain
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. In Michelson interferometer to switch the fringe from bright to dark the mirror should be displaced through
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. In doubt slit experiment, we observe
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Which one of the following cannot be polarized?
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. The locus of all points in a medium having the same phase of vibration is called
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. When light incident normally on thin film, the path difference depends upon
A.
B.
C.
D.

Question 15 of 15


 

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