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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
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 2
Charge on an atom is:
Question # 3
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 4
Study of hydrogen visible spectrum in
Question # 5
Which is not true for X rays
Question # 6
The series in infrared region is:
Question # 7
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 8
1 rad =
Question # 9
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 # 10
X-rays were discovered by
Question # 11
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 12
Balmer series lies in
Question # 13
When an electron in an atom goes from a lower to higher orbit its:
Question # 14
The 1st Bohr atom in the hydrogen atom has radius
Question # 15
The rest mass x ray photon is
Question # 16
An atom can reside in excited state for
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 | Which is not characteristic of Laser. |
A. Monochromatic
B. Coherent
C. Intense
D. Multi direction
|
| 2 | Bremsstrahlung radiation are examples of |
A. Atomic spectra
B. Molecular spectra
C. Continuous spectra
D. Discrete spectra
|
| 3 | 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
|
| 4 | Which series lies in the ultraviolet region. |
A. Balmer series
B. Bracket series
C. Ptund series
D. Lyman series
|
| 5 | 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
|
| 6 | Laser can be made by creating. |
A. Meta stable
B. Population inversion
C. Excited state
D. All of these
|
| 7 | 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
|
| 8 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 9 | The radius of hydrogen atom is: |
A. 0.53A°
B. 0.053A°
C. 0.53 x 10-9
D. 0.053 x10-9
|
| 10 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
Test Questions