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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
In according with Bohr's theory the K.E of the electron is equal to:
Question # 2
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 3
The energy of 4th Orbit in hydrogen atom is.
Question # 4
The value of Rydberg constant is:
Question # 5
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 6
When an electron in an atom goes from a lower to higher orbit its:
Question # 7
If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is:
Question # 8
Laser is a device which can produce:
Question # 9
The radius of hydrogen atom is:
Question # 10
Earth orbital speed is
Question # 11
Reflecting mirrors in laser is used to
Question # 12
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 13
Which is not characteristic of Laser.
Question # 14
1 rad =
Question # 15
Production of x rays is reverse process of
Question # 16
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
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 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 2 | The process by which lesser beam can be used to generate 3-dimensional images of objects is called |
A. Holography
B. Geo graphy
C. Tomography
D. Radio graphy
|
| 3 | X-rays were discovered by |
A. Curie
B. Henry Becquerel
C. Rontgen
D. None of these
|
| 4 | 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
|
| 5 | The first theory about the structure of an atom was introduced by |
A. Neil Bohr
B. Einstein
C. Compton
D. Rutherford
|
| 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 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 8 | The typical nuclei are less than: |
A. 10-16m
B. 10-14m
C. 10-12m
D. 10-10m
|
| 9 | The unit of Rh is. |
A. ms-1
B. m
C. m2
D. m-1
|
| 10 | The first laser was built by |
A. ArthursSchawalow
B. T.H.Maiman
C. Peter Sorokin
D. C.H.Townes
|
Test Questions