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ICS Part 2 Physics
Chapter 20 Test
Start Chapter 20 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 20 Online MCQ's Test
00:00
Question # 1
Which series lies in the ultraviolet region.
Question # 2
1 rad =
Question # 3
Laser is a device which can produce:
Question # 4
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 5
The radius of hydrogen atom is:
Question # 6
The longest wavelength of Paschen series is.
Question # 7
The rest mass x ray photon is
Question # 8
Life time of metastable states is
Question # 9
X-rays were discovered by
Question # 10
Bremsstrahlung radiation are examples of
Question # 11
The typical nuclei are less than:
Question # 12
When an electron in an atom goes from a lower to higher orbit its:
Question # 13
Radius of first Bohr's orbit is.
Question # 14
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 15
The series in visible region is:
Question # 16
The X-rays diffraction with crystal was first studied by
Question # 17
Reflecting mirrors in laser is used to
ICS 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 series in infrared region is: |
A. Paschen series
B. Bracket series
C. Pfund series
D. All of above
|
| 2 | The following gas was identified in the sun using spectroscopy |
A. Hydrogen
B. Helium
C. Carbon
D. Nitrogen
|
| 3 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 4 | 1 rem = |
A. 0.001 SV
B. 0.01 SV
C. 0.1 SV
D. 1.01 SV
|
| 5 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
| 6 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 7 | Earth orbital speed is |
A. 10 km/s
B. 20 km/s
C. 30 km/s
D. 40 km/s
|
| 8 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 9 | The radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 10 | Study of hydrogen visible spectrum in |
A. 1886
B. 1887
C. 1895
D. 1885
|
Test Questions
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