Physics Atomic Spectra Test Online Preparation Mcqs

Physics Atomic Spectra Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. The penetrating power of x-rays depends on their
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Band spectrum is produced by:
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. If the charge on electron and proton become double then Rydberg constant will be
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. The metastable state for an atom in laser light is
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. The characteristics X-rays spectrum is due to
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. X-rays are similar in nature to _______.
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Total number of series in hydrogen spectrum is
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. In He-Ne laser, the lasing action is produced by
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. In an electronic transition, atom cannot emit _____
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Electrons held in the atom due to
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Radiation produced from TV picture tube is
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. The minimum wavelength of X-rays produced by the bombardment of electrons on the screen of a television set where the acceleration potential is 2.0K V, will be
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. The radiations emitted from hydrogen filled discharged tube show
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Electron cannot exist in the nucleus; it is confirmed by observing that _____.
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Photon of highest frequency will be absorbed when transition takes place from _____.
A.
B.
C.
D.

Question 15 of 15


 

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