Dawn of Modern Physics Test Online Preparation Mcqs

Dawn of Modern Physics Test Online Preparation Mcqs With Answers Start Below

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  • 15
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Question 1 of 15

1. Stopping potential for a metal surface in case of photoelectric emission depends on __________.
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. If a photon is reflected from the mirror, then the change in momentum of each photon is _____.
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. According to special theory of relativity, time is not absolute quantity. This result applies to _______ timing processes.
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. The ratio of e/m of a proton to that of an alpha particle is
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. If n number of photon are striking on a metal surface, then total momentum exerted is _____.
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. As the intensity of incident light increases
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Linear momentum of a  photon is ________
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B.
C.
D.

Question 7 of 15

Question 8 of 15

8. A photon is ______.
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B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Davison Germer experiment indicates ______
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B.
C.
D.

Question 9 of 15

Question 10 of 15

10. The velocity of a particle of mass m of de-Broglie wavelength λ is:
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. The minimum wavelength of the x-rays produced by electrons accelerated through a p[otential difference of V volts is directly proportional to
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. A photon of wavelength 900nm behaves like a particle of mass _______.
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B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Planck’s work was connected with:
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. The name of the photon for quantum of light was proposed by _________.
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B.
C.
D.

Question 14 of 15

Question 15 of 15

15. The resolution of 50 KV electron microscope is:
A.
B.
C.
D.

Question 15 of 15


 

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