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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 temperature of core of nuclear reactor is:
Question # 2
The value of Rydberg constant is:
Question # 3
Radius of first Bohr's orbit is.
Question # 4
Energy produced due to fission of uranium atom is:
Question # 5
The typical nuclei are less than:
Question # 6
For Paschen series, the value of 'n' starts from
Question # 7
Reflecting mirrors in laser is used to
Question # 8
The series in visible region is:
Question # 9
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 10
Balmer series lies in region of electromagnetic spectrum.
Question # 11
Earth orbital speed is
Question # 12
First spectral series of hydrogen atom was discovered by
Question # 13
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 14
Laser is a beam of light which is
Question # 15
Life time of metastable states is
Question # 16
Frequency of x-rays depends upon.
Question # 17
Helium-Neon laser discharge tube contains neon
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 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
|
| 2 | Study of hydrogen visible spectrum in |
A. 1886
B. 1887
C. 1895
D. 1885
|
| 3 | Production of x rays is reverse process of |
A. Photo electric effect
B. Compton effect
C. An nihilation
D. Pair production
|
| 4 | 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
|
| 5 | 1 rem = |
A. 0.001 SV
B. 0.01 SV
C. 0.1 SV
D. 1.01 SV
|
| 6 | The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is |
A. 1972
B. 1965
C. 1958
D. 1913
|
| 7 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 8 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 9 | Helium Neon Laser Beam emitted from discharge tube has a colour. |
A. Blue
B. Green
C. Red
D. Black
|
| 10 | In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to: |
A. Infinite energy
B. Maximum energy
C. Minimum energy
D. Zero energy
|
Test Questions