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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
The first laser was built by
Question # 2
The unit of Rh is.
Question # 3
The X-rays diffraction with crystal was first studied by
Question # 4
The series in infrared region is:
Question # 5
The value of Rydberg constant is:
Question # 6
Life time of metastable states is
Question # 7
If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is:
Question # 8
The Balmer series is obtained when all the transition of electrons terminate on
Question # 9
1 rem =
Question # 10
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 11
We can find from de Broglie formula
Question # 12
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 13
A° is the unit of:
Question # 14
The radius of 10th orbit in hydrogen atom is.
Question # 15
The longest wavelength of Paschen series is.
Question # 16
First spectral series of hydrogen atom was discovered by
Question # 17
The 1st Bohr atom in the hydrogen atom has radius
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 series in infrared region is: |
A. Paschen series
B. Bracket series
C. Pfund series
D. All of above
|
| 2 | 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
|
| 3 | Energy produced due to fission of uranium atom is: |
A. 500MeV
B. 200MeV
C. 700MeV
D. 750MEV
|
| 4 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 5 | The first theory about the structure of an atom was introduced by |
A. Neil Bohr
B. Einstein
C. Compton
D. Rutherford
|
| 6 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 7 | Charge on an atom is: |
A. Positive
B. Negative
C. Neutral
D. None of these
|
| 8 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 9 | The radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 10 | Laser is a device which can produce: |
A. Intense beam of light
B. Coherant beam of light
C. Monochromatic beam of light
D. All of the above
|
Test Questions