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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 longest wavelength of Paschen series is.
Question # 2
The typical nuclei are less than:
Question # 3
When an electron in an atom goes from a lower to higher orbit its:
Question # 4
Radius of first Bohr's orbit is.
Question # 5
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 6
The unit of Rh is.
Question # 7
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 8
The value of Rydberg constant is
Question # 9
Target material used in x-rays tube have following properties.
Question # 10
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 11
The radius of 10th orbit in hydrogen atom is.
Question # 12
Charge on positron is:
Question # 13
The first laser was built by
Question # 14
Which is not characteristic of Laser.
Question # 15
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 16
The following gas was identified in the sun using spectroscopy
Question # 17
The first theory about the structure of an atom was introduced by
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 rest mass x ray photon is |
A. Infinite
B. Zero
C. 1.67 X-17 kg
D. All of the above
|
| 2 | Charge on an atom is: |
A. Positive
B. Negative
C. Neutral
D. None of these
|
| 3 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
| 4 | An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case. |
A. 6
B. 5
C. 4
D. 3
|
| 5 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 6 | The radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 7 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 8 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 9 | Radius of first Bohr's orbit is. |
A. 0.053 nm
B. 0.053 mm
C. 0.053 micro meter
D. 0.053 m
|
| 10 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
Test Questions
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