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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
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 2
The rest mass x ray photon is
Question # 3
X-rays were discovered by
Question # 4
Frequency of x-rays depends upon.
Question # 5
The following gas was identified in the sun using spectroscopy
Question # 6
For Paschen series, the value of 'n' starts from
Question # 7
Hydrogen atom spectrum does not lie in
Question # 8
The shortest wave length is Bracket series has wave length.
Question # 9
The series in infrared region is:
Question # 10
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 11
Target material used in x-rays tube have following properties.
Question # 12
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 13
Bremsstrahlung radiation are examples of
Question # 14
Study of hydrogen visible spectrum in
Question # 15
Laser is a beam of light which is
Question # 16
Balmer series lies in region of electromagnetic spectrum.
Question # 17
Electron volt is unit 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 | Electron volt is unit of: |
A. Chemical energy
B. Potential energy
C. Nuclear energy
D. heat energy
|
| 2 | Balmer series lies in region of electromagnetic spectrum. |
A. Infrared
B. Visible
C. Ultraviolet
D. Fra infrared
|
| 3 | 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
|
| 4 | Study of hydrogen visible spectrum in |
A. 1886
B. 1887
C. 1895
D. 1885
|
| 5 | Energy produced due to fission of uranium atom is: |
A. 500MeV
B. 200MeV
C. 700MeV
D. 750MEV
|
| 6 | Production of x rays is reverse process of |
A. Photo electric effect
B. Compton effect
C. An nihilation
D. Pair production
|
| 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: |
A. 10.2 eV
B. 0 eV
C. 3.4 eV
D. 6.8 eV
|
| 8 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
| 9 | An atom can reside in excited state for |
A. 10-8 second
B. One second
C. 10-10 second
D. More than one second
|
| 10 | The radius of hydrogen atom is: |
A. 0.53A°
B. 0.053A°
C. 0.53 x 10-9
D. 0.053 x10-9
|
Test Questions
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