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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 temperature of core of nuclear reactor is:
Question # 2
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 3
Boher proposed his atomic model in:
Question # 4
The first orbit in the hydrogen atom has a radius.
Question # 5
The 1st Bohr atom in the hydrogen atom has radius
Question # 6
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 7
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 8
The rest mass x ray photon is
Question # 9
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 10
The typical nuclei are less than:
Question # 11
Paschen series lies in the
Question # 12
The radius of 10th orbit in hydrogen atom is.
Question # 13
Earth orbital speed is
Question # 14
The unit of Rh is.
Question # 15
The first spectral lines were discovered in 1885, were
Question # 16
Target material used in x-rays tube have following properties.
Question # 17
Kx -Xrays are produced due to transition of electron from.
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 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 2 | The rest mass x ray photon is |
A. Infinite
B. Zero
C. 1.67 X-17 kg
D. All of the above
|
| 3 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 4 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 5 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 6 | The temperature of core of nuclear reactor is: |
A. 1100°C
B. 1200°C
C. 1300°C
D. 1400°C
|
| 7 | Bremsstrahlung radiation are examples of |
A. Atomic spectra
B. Molecular spectra
C. Continuous spectra
D. Discrete spectra
|
| 8 | If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of. |
A. 3.40 eV
B. 10.20 eV
C. 13.6 eV
D. 3.8 eV
|
| 9 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 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