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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
In according with Bohr's theory the K.E of the electron is equal to:
Question # 2
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 3
The value of Rydberg constant is
Question # 4
Charge on positron is:
Question # 5
The radius of hydrogen atom is:
Question # 6
The typical nuclei are less than:
Question # 7
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 8
The 1st Bohr atom in the hydrogen atom has radius
Question # 9
Which is not true for X rays
Question # 10
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 11
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 12
The first orbit in the hydrogen atom has a radius.
Question # 13
In an electronic transition atom cannot emit.
Question # 14
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 15
Radius of first Bohr's orbit is.
Question # 16
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 17
The rest mass x ray photon is
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 | If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be |
A. 136.0 volt
B. 3.0 volt
C. 13.6 volt
D. None of these
|
| 2 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 3 | 1 rad = |
A. 0.001Gy
B. 0.01Gy
C. 0.1Gy
D. 1.01Gy
|
| 4 | The value of Rydberg constant is |
A. 1.0974 x 107 m-1
B. 1.0974 x 10-7 m-1
C. 1.0974 x 106 m-1
D. 1.0974 x 10-6 m-1
|
| 5 | Which is not characteristic of Laser. |
A. Monochromatic
B. Coherent
C. Intense
D. Multi direction
|
| 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 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 8 | Study of hydrogen visible spectrum in |
A. 1886
B. 1887
C. 1895
D. 1885
|
| 9 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 10 | The typical nuclei are less than: |
A. 10-16m
B. 10-14m
C. 10-12m
D. 10-10m
|
Test Questions
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