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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
Charge on positron is:
Question # 2
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 3
Laser is a device which can produce:
Question # 4
Boher proposed his atomic model in:
Question # 5
Frequency of x-rays depends upon.
Question # 6
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 7
The first orbit in the hydrogen atom has a radius.
Question # 8
Reflecting mirrors in laser is used to
Question # 9
The temperature of core of nuclear reactor is:
Question # 10
The unit of Rh is.
Question # 11
Black Body radiation spectrum is an example of:
Question # 12
Which series lies in the ultraviolet region.
Question # 13
Which of the following is one of the spectral series of atomic hydrogen?
Question # 14
An atom can reside in excited state for
Question # 15
X- ray diffraction reveals that these are
Question # 16
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 17
The first spectral lines were discovered in 1885, were
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 | An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case. |
A. 6
B. 5
C. 4
D. 3
|
| 2 | The series in infrared region is: |
A. Paschen series
B. Bracket series
C. Pfund series
D. All of above
|
| 3 | The first spectral lines were discovered in 1885, were |
A. Paschen series
B. Balmer series
C. Pfund series
D. Bracket series
|
| 4 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 5 | Bremsstrahlung radiation are examples of |
A. Atomic spectra
B. Molecular spectra
C. Continuous spectra
D. Discrete spectra
|
| 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 | Production of x rays is reverse process of |
A. Photo electric effect
B. Compton effect
C. An nihilation
D. Pair production
|
| 8 | Which of the following series of hydrogen spectrum lies in ultra violet region. |
A. Lyman sereis
B. Paschen series
C. Balmar series
D. Bracket series
|
| 9 | The unit of Rh is. |
A. ms-1
B. m
C. m2
D. m-1
|
| 10 | Energy produced due to fission of uranium atom is: |
A. 500MeV
B. 200MeV
C. 700MeV
D. 750MEV
|
Test Questions