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

Question 1 of 15

Question 2 of 15

2. Which experiment shows that wavelength of light is smaller than that of sound
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

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

Question 3 of 15

Question 4 of 15

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

Question 4 of 15

Question 5 of 15

5. Which is not optically active substance?
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. When crest of one wave falls over the trough of the other wave, this phenomenon is known as
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Signal form the T.V remote control travels
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. ________ gives the definition of metre in terms of wavelength of red cadmium light
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Optically active crystals rotate the
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

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

Question 10 of 15

Question 11 of 15

11. In Young double slit experiment, if white light is used
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. In Michelson interferometer to switch the fringe from bright to dark the mirror should be displaced through
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. Two sources of light are coherent if they emit rays of
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. A diffraction grating has 500 lines per mm. Its slit spacing or grating element will be equal to
A.
B.
C.
D.

Question 15 of 15


 

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