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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 following gas was identified in the sun using spectroscopy
Question # 2
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 3
X- ray diffraction reveals that these are
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
Which of the following is one of the spectral series of atomic hydrogen?
Question # 6
Laser is a beam of light which is
Question # 7
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 8
Radius of first Bohr's orbit is.
Question # 9
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 10
Which is not characteristic of Laser.
Question # 11
For Paschen series, the value of 'n' starts from
Question # 12
1 rem =
Question # 13
When an electron in an atom goes from a lower to higher orbit its:
Question # 14
Production of x rays is reverse process of
Question # 15
1 rad =
Question # 16
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 17
Laser can be made by creating.
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 | 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
|
| 2 | Study of hydrogen visible spectrum in |
A. 1886
B. 1887
C. 1895
D. 1885
|
| 3 | If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be |
A. 136.0 volt
B. 3.0 volt
C. 13.6 volt
D. None of these
|
| 4 | The temperature of core of nuclear reactor is: |
A. 1100°C
B. 1200°C
C. 1300°C
D. 1400°C
|
| 5 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 6 | Laser is a beam of light which is |
A. Monochromatic
B. Coherent
C. Unidirectional
D. All of these
|
| 7 | Which is not characteristic of Laser. |
A. Monochromatic
B. Coherent
C. Intense
D. Multi direction
|
| 8 | Helium Neon Laser Beam emitted from discharge tube has a colour. |
A. Blue
B. Green
C. Red
D. Black
|
| 9 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 10 | Which series lies in the ultraviolet region. |
A. Balmer series
B. Bracket series
C. Ptund series
D. Lyman series
|
Test Questions