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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
00:00
Question # 1
Electron volt is unit of:
Question # 2
Balmer series lies in
Question # 3
Life time of metastable states is
Question # 4
When an electron in an atom goes from a lower to higher orbit its:
Question # 5
Study of hydrogen visible spectrum in
Question # 6
Hydrogen atom spectrum does not lie in
Question # 7
An atom can reside in excited state for
Question # 8
The X-rays diffraction with crystal was first studied by
Question # 9
The rest mass x ray photon is
Question # 10
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 11
Energy produced due to fission of uranium atom is:
Question # 12
The Balmer series is obtained when all the transition of electrons terminate on
Question # 13
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 14
Photons emitted in inner shell transition are.
Question # 15
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 16
Laser is a beam of light which is
Question # 17
The series in infrared region 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 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 2 | In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to: |
A. Infinite energy
B. Maximum energy
C. Minimum energy
D. Zero energy
|
| 3 | The typical nuclei are less than: |
A. 10-16m
B. 10-14m
C. 10-12m
D. 10-10m
|
| 4 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 5 | The energy of 4th Orbit in hydrogen atom is. |
A. -2.51 eV
B. -3.50 eV
C. -13.60 eV
D. -0.85 eV
|
| 6 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 7 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 8 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 9 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
| 10 | An atom can reside in excited state for |
A. 10-8 second
B. One second
C. 10-10 second
D. More than one second
|
Test Questions