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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
Production of x rays is reverse process of
Question # 2
Paschen series lies in the
Question # 3
In according with Bohr's theory the K.E of the electron is equal to:
Question # 4
When an electron in an atom goes from a lower to higher orbit its:
Question # 5
Kx -Xrays are produced due to transition of electron from.
Question # 6
_____ has the largest de Broglie wavelength at same speed.
Question # 7
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 8
The first orbit in the hydrogen atom has a radius.
Question # 9
The first theory about the structure of an atom was introduced by
Question # 10
The series in infrared region is:
Question # 11
For Holography we use
Question # 12
Energy produced due to fission of uranium atom is:
Question # 13
In an electronic transition atom cannot emit.
Question # 14
Helium-Neon laser discharge tube contains neon
Question # 15
The longest wavelength of Paschen series is.
Question # 16
Laser is a device which can produce:
Question # 17
The following gas was identified in the sun using spectroscopy
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 | Life time of metastable states is |
A. 10-6 sec or more
B. 10-3 sec or more
C. 10-5 sec or more
D. None of these
|
| 2 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 3 | In Helium Neon laser, the discharge tube is filled with |
A. 80% He, 20% Neon
B. 85% He, 15% Neon
C. 83% He, 17% Neon
D. 90% He, 10% Neon
|
| 4 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 5 | Boher proposed his atomic model in: |
A. 1910
B. 1911
C. 1912
D. 1913
|
| 6 | Radius of first Bohr's orbit is. |
A. 0.053 nm
B. 0.053 mm
C. 0.053 micro meter
D. 0.053 m
|
| 7 | X-rays were discovered by |
A. Curie
B. Henry Becquerel
C. Rontgen
D. None of these
|
| 8 | The Balmer series is obtained when all the transition of electrons terminate on |
A. 1st orbit
B. 2nd orbit
C. 3rd orbit
D. 4th orbit
|
| 9 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 10 | Bremsstrahlung radiation are examples of |
A. Atomic spectra
B. Molecular spectra
C. Continuous spectra
D. Discrete spectra
|
Test Questions