12th Class Physics MCQS Chapter 9

12th Class Physics MCQS
Image Courtesy By Freepik
Ads by Google Adsense

Respected members,
12th Class Physics MCQS Available Here. In this pages your can get 12th Class Physics MCQS with Answers.
You can read and practice, 12th Class Physics MCQSon Different Topic,
We make Online question bank with the help of experienced teachers and subject specialists.

FG Study / Quiz is also very useful website for online Quiz and Test sessions. Where FG STUDY Team Design and Develop large Database and Content Management System for the quizzes. We provide wide scale online quiz System for various educational and professional examination. If you are interested please visit our site FG Study Quiz

Remember That The FG STUDY Team Always provide unique and useful content for students. If you have any question or problem do not hesitate to contact us, we will be happy to reply, Thanks


Helium-Neon laser discharge tube contains neon
25%
15%
85%
82%

Black Body radiation spectrum is an example of:
None of above
Line spectra
Continuous spectra
Atomic spectra

 Charge on an atom is:
Negative
Neutral
None of these
Positive

1 rad =
0.001Gy
0.01Gy
1.01Gy
0.1Gy

The velocity of electron moving is 1st orbit of hydrogen atom is:
2.18 x106 ms-1
2.19 x 106 ms-1
3.18 x106 ms-1
2.09 x 106 ms-1 

The series in visible region is:
Paschen series
Pfund series
None of above
Balmer series

1 rem =
0.1 SV
0.01 SV
1.01 SV
0.001 SV

The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
1913
1965
1958
1972

If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
13.6 volt
None of these
136.0 volt
3.0 volt

The value of Rydberg constant is
1.0974 x 10-6 m-1
1.0974 x 106 m-1
1.0974 x 107 m-1
1.0974 x 10-7 m-1

Continue Reading Go to Next Page

Ads by Google Adsense