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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
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 2
The value of Rydberg constant is:
Question # 3
We can find from de Broglie formula
Question # 4
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 5
The unit of Rh is.
Question # 6
Helium-Neon laser discharge tube contains neon
Question # 7
An atom can reside in excited state for
Question # 8
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 9
For Holography we use
Question # 10
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 11
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 12
1 rad =
Question # 13
The first spectral lines were discovered in 1885, were
Question # 14
Paschen series lies in the
Question # 15
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 16
The first theory about the structure of an atom was introduced by
Question # 17
The radius of 10th orbit in hydrogen atom 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 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 2 | Target material used in x-rays tube have following properties. |
A. High atomic number and high melting pouint
B. High atomic number and low melting pouint
C. Low atomic number and low melting pouint
D. High atomic number only
|
| 3 | The first orbit in the hydrogen atom has a radius. |
A. 0.53 nm
B. 0.053 nm
C. 0.0053 nm
D. 0.00053 nm
|
| 4 | 1 rem = |
A. 0.001 SV
B. 0.01 SV
C. 0.1 SV
D. 1.01 SV
|
| 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 | Hydrogen atom spectrum does not lie in |
A. Ultraviolet region
B. Visible region
C. Infrared region
D. X ray region
|
| 7 | Which series lies in the ultraviolet region. |
A. Balmer series
B. Bracket series
C. Ptund series
D. Lyman series
|
| 8 | The longest wavelength of Paschen series is. |
A. 656 nm
B. 1094 nm
C. 1875 nm
D. 2000 nm
|
| 9 | Frequency of x-rays depends upon. |
A. Number of electrons striking target
B. Accelerating potencial
C. Nature of the target
D. Both B and C
|
| 10 | The 1st Bohr atom in the hydrogen atom has radius |
A. 3.56 x 10-10 m
B. 0.053 x 10-11 m
C. 0.53 x 10-11 m
D. 5.30 x 10-11 m
|
Test Questions
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