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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 value of Rydberg constant is
Question # 2
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 3
Which is not true for X rays
Question # 4
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 5
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 6
Balmer series lies in
Question # 7
Laser is a device which can produce:
Question # 8
The series in visible region is:
Question # 9
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 10
The series in infrared region is:
Question # 11
The first theory about the structure of an atom was introduced by
Question # 12
Boher proposed his atomic model in:
Question # 13
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 14
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 15
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 16
Kx -Xrays are produced due to transition of electron from.
Question # 17
Frequency of x-rays depends upon.
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 1st Bohr atom in the hydrogen atom has radius |
A. 3.56 x 10-10 m
B. 0.053 x 10-11 m
C. 0.53 x 10-11 m
D. 5.30 x 10-11 m
|
| 2 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 3 | X-rays were discovered by |
A. Curie
B. Henry Becquerel
C. Rontgen
D. None of these
|
| 4 | Kx -Xrays are produced due to transition of electron from. |
A. K to L shell
B. L to K shell
C. M to K shell
D. M to L shell
|
| 5 | Frequency of x-rays depends upon. |
A. Number of electrons striking target
B. Accelerating potencial
C. Nature of the target
D. Both B and C
|
| 6 | If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is: |
A. 10.2 eV
B. 0 eV
C. 3.4 eV
D. 6.8 eV
|
| 7 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 8 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 9 | The line radiations emitted from by hydrogen filled discharge tube can be analyzed into. |
A. Band spectrum
B. Line spectrum
C. Continuous spectrum
D. Absorption spectrum
|
| 10 | When an electron in an atom goes from a lower to higher orbit its: |
A. K.E increases , P.E decreases
B. K.E increases , P.E increases
C. K.E decreases , P.E increases
D. K.E decreases , P.E decreases
|
Test Questions