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ICS Part 2 Physics
Chapter 20 Test
Start Chapter 20 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 20 Online MCQ's Test
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Question # 1
The Balmer series is obtained when all the transition of electrons terminate on
Question # 2
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 3
Charge on positron is:
Question # 4
Bremsstrahlung radiation are examples of
Question # 5
Earth orbital speed is
Question # 6
When an electron in an atom goes from a lower to higher orbit its:
Question # 7
Radius of first Bohr's orbit is.
Question # 8
Balmer series lies in
Question # 9
Energy produced due to fission of uranium atom is:
Question # 10
Which of the following is one of the spectral series of atomic hydrogen?
Question # 11
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 12
Life time of metastable states is
Question # 13
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 14
Photons emitted in inner shell transition are.
Question # 15
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 16
Production of x rays is reverse process of
Question # 17
If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is:
ICS Part 2 Physics Chapter 20 Online Test MCQ's
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Energy produced due to fission of uranium atom is: |
A. 500MeV
B. 200MeV
C. 700MeV
D. 750MEV
|
| 2 | If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is: |
A. 10.2 eV
B. 0 eV
C. 3.4 eV
D. 6.8 eV
|
| 3 | The radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 4 | The first spectral lines were discovered in 1885, were |
A. Paschen series
B. Balmer series
C. Pfund series
D. Bracket series
|
| 5 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 6 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
| 7 | The following gas was identified in the sun using spectroscopy |
A. Hydrogen
B. Helium
C. Carbon
D. Nitrogen
|
| 8 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 9 | In according with Bohr's theory the K.E of the electron is equal to: |
A. ke2/2r
B. Ze2/r
C. Ze2/r2
D. Ze2/2r2
|
| 10 | Boher proposed his atomic model in: |
A. 1910
B. 1911
C. 1912
D. 1913
|
Test Questions