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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
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Question # 1
The series in visible region is:
Question # 2
The first orbit in the hydrogen atom has a radius.
Question # 3
Paschen series lies in the
Question # 4
For Paschen series, the value of 'n' starts from
Question # 5
Which is not true for X rays
Question # 6
_____ has the largest de Broglie wavelength at same speed.
Question # 7
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 8
The rest mass x ray photon is
Question # 9
The Balmer series is obtained when all the transition of electrons terminate on
Question # 10
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 11
We can find from de Broglie formula
Question # 12
First spectral series of hydrogen atom was discovered by
Question # 13
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 14
The first spectral lines were discovered in 1885, were
Question # 15
Balmer series lies in
Question # 16
Bremsstrahlung radiation are examples of
Question # 17
Production of x rays is reverse process of
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 | Laser can be made by creating. |
A. Meta stable
B. Population inversion
C. Excited state
D. All of these
|
| 2 | 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
|
| 3 | The first orbit in the hydrogen atom has a radius. |
A. 0.53 nm
B. 0.053 nm
C. 0.0053 nm
D. 0.00053 nm
|
| 4 | Bremsstrahlung radiation are examples of |
A. Atomic spectra
B. Molecular spectra
C. Continuous spectra
D. Discrete spectra
|
| 5 | The series in visible region is: |
A. Balmer series
B. Pfund series
C. Paschen series
D. None of above
|
| 6 | Boher proposed his atomic model in: |
A. 1910
B. 1911
C. 1912
D. 1913
|
| 7 | 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
|
| 8 | An atom can reside in excited state for |
A. 10-8 second
B. One second
C. 10-10 second
D. More than one second
|
| 9 | 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
|
| 10 | Balmer series lies in region of electromagnetic spectrum. |
A. Infrared
B. Visible
C. Ultraviolet
D. Fra infrared
|
Test Questions