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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 line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 2
Study of hydrogen visible spectrum in
Question # 3
The value of Rydberg constant is
Question # 4
The first orbit in the hydrogen atom has a radius.
Question # 5
The energy of 4th Orbit in hydrogen atom is.
Question # 6
The following gas was identified in the sun using spectroscopy
Question # 7
X- ray diffraction reveals that these are
Question # 8
A° is the unit of:
Question # 9
An atom can reside in excited state for
Question # 10
X-rays were discovered by
Question # 11
Black Body radiation spectrum is an example of:
Question # 12
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 13
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 14
First spectral series of hydrogen atom was discovered by
Question # 15
Laser is a device which can produce:
Question # 16
Paschen series lies in the
Question # 17
Energy produced due to fission of uranium atom 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 | The radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 2 | 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
|
| 3 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 4 | 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
|
| 5 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 6 | Laser can be made by creating. |
A. Meta stable
B. Population inversion
C. Excited state
D. All of these
|
| 7 | In Helium Neon laser, the discharge tube is filled with |
A. 80% He, 20% Neon
B. 85% He, 15% Neon
C. 83% He, 17% Neon
D. 90% He, 10% Neon
|
| 8 | The radius of hydrogen atom is: |
A. 0.53A°
B. 0.053A°
C. 0.53 x 10-9
D. 0.053 x10-9
|
| 9 | The following gas was identified in the sun using spectroscopy |
A. Hydrogen
B. Helium
C. Carbon
D. Nitrogen
|
| 10 | Production of x rays is reverse process of |
A. Photo electric effect
B. Compton effect
C. An nihilation
D. Pair production
|
Test Questions
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