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Dawn of Modern Physics Test Online Preparation Mcqs

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

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Question 1 of 15

1. Davison Germer experiment indicates ______
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Compton effect proves the __________
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. In electron microscope, we use energetic particles because of _______.
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. The speed of cathode rays is
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. The energy radiated is directly proportional to fourth power of Kelvin’s temperature is ________.
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

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

Question 6 of 15

Question 7 of 15

7. As the temperature of black body is raised, the wavelength corresponding to maximum intensity _________________.
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. A three dimensional image is obtained by  ____________.
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. A photoelectric cells converts
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. For confinement of electron in a box of radius 10-14m, the electron speed should be ______.
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

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

Question 11 of 15

Question 12 of 15

12. Which one of the following radiations has the strongest photon?
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Rest mass of a photon is _______.
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Which of the following is not a form of uncertainty principles
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Linear momentum of a  photon is ________
A.
B.
C.
D.

Question 15 of 15


 

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