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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 an electronic transition atom cannot emit.
Question # 2
The rest mass x ray photon is
Question # 3
The temperature of core of nuclear reactor is:
Question # 4
Frequency of x-rays depends upon.
Question # 5
The typical nuclei are less than:
Question # 6
Radius of first Bohr's orbit is.
Question # 7
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 8
The unit of Rh is.
Question # 9
Hydrogen atom spectrum does not lie in
Question # 10
For Holography we use
Question # 11
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 12
Which of the following is one of the spectral series of atomic hydrogen?
Question # 13
The first laser was built by
Question # 14
Laser is a beam of light which is
Question # 15
First spectral series of hydrogen atom was discovered by
Question # 16
X-rays were discovered by
Question # 17
In according with Bohr's theory the K.E of the electron is equal to:
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 | An atom can reside in excited state for |
A. 10-8 second
B. One second
C. 10-10 second
D. More than one second
|
| 2 | X-rays were discovered by |
A. Curie
B. Henry Becquerel
C. Rontgen
D. None of these
|
| 3 | Which of the following series of hydrogen spectrum lies in ultra violet region. |
A. Lyman sereis
B. Paschen series
C. Balmar series
D. Bracket series
|
| 4 | Helium Neon Laser Beam emitted from discharge tube has a colour. |
A. Blue
B. Green
C. Red
D. Black
|
| 5 | The series in visible region is: |
A. Balmer series
B. Pfund series
C. Paschen series
D. None of above
|
| 6 | 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
|
| 7 | Production of x rays is reverse process of |
A. Photo electric effect
B. Compton effect
C. An nihilation
D. Pair production
|
| 8 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 9 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 10 | 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
|
Test Questions
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