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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
Charge on positron is:
Question # 2
Radius of first Bohr's orbit is.
Question # 3
Which is not true for X rays
Question # 4
Study of hydrogen visible spectrum in
Question # 5
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 6
The first theory about the structure of an atom was introduced by
Question # 7
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 8
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 9
The Balmer series is obtained when all the transition of electrons terminate on
Question # 10
Frequency of x-rays depends upon.
Question # 11
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 12
For Holography we use
Question # 13
Charge on an atom is:
Question # 14
Boher proposed his atomic model in:
Question # 15
The typical nuclei are less than:
Question # 16
The value of Rydberg constant is
Question # 17
X- ray diffraction reveals that these are
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 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 2 | Energy produced due to fission of uranium atom is: |
A. 500MeV
B. 200MeV
C. 700MeV
D. 750MEV
|
| 3 | Which is not true for X rays |
A. X rays are not defected by electric field
B. X rays are polarized
C. X rays consist of electromagnetic waves
D. X rays can be diffracted by grating
|
| 4 | The radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 5 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 6 | Which series lies in the ultraviolet region. |
A. Balmer series
B. Bracket series
C. Ptund series
D. Lyman series
|
| 7 | For an atom of hydrogen atom the radius of the first orbit is given by: |
A. H/me2
B. me/4h2
C. h2/4π2 kme2
D. h2 me2
|
| 8 | The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is |
A. 1972
B. 1965
C. 1958
D. 1913
|
| 9 | Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be. |
A. 0.106 nm
B. 0.212 nm
C. 0.053 nm
D. 0.53 x 10-10 nm
|
| 10 | The velocity of electron moving is 1st orbit of hydrogen atom is: |
A. 2.09 x 106 ms-1
B. 2.18 x106 ms-1
C. 2.19 x 106 ms-1
D. 3.18 x106 ms-1
|
Test Questions