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FSC Part 2 Physics
Chapter 20 Test
Start Chapter 20 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 20 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 20 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 20 Online MCQ's Test
00:00
Question # 1
X-rays were discovered by
Question # 2
An atom can reside in excited state for
Question # 3
The typical nuclei are less than:
Question # 4
For Paschen series, the value of 'n' starts from
Question # 5
The value of Rydberg constant is:
Question # 6
The longest wavelength of Paschen series is.
Question # 7
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 8
Kx -Xrays are produced due to transition of electron from.
Question # 9
1 rem =
Question # 10
Balmer series lies in region of electromagnetic spectrum.
Question # 11
Helium-Neon laser discharge tube contains neon
Question # 12
Laser is a beam of light which is
Question # 13
Boher proposed his atomic model in:
Question # 14
The rest mass x ray photon is
Question # 15
Production of x rays is reverse process of
Question # 16
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 17
Balmer series lies in
FSC 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 | The radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 2 | 1 rem = |
A. 0.001 SV
B. 0.01 SV
C. 0.1 SV
D. 1.01 SV
|
| 3 | Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be. |
A. 0.106 nm
B. 0.212 nm
C. 0.053 nm
D. 0.53 x 10-10 nm
|
| 4 | 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
|
| 5 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
| 6 | Balmer series lies in region of electromagnetic spectrum. |
A. Infrared
B. Visible
C. Ultraviolet
D. Fra infrared
|
| 7 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
| 8 | Which of the following is one of the spectral series of atomic hydrogen? |
A. Brockett series
B. Balmer series
C. P fund series
D. All of above
|
| 9 | For Paschen series, the value of 'n' starts from |
A. 2
B. 4
C. 6
D. 8
|
| 10 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
Test Questions