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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
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 2
Helium-Neon laser discharge tube contains neon
Question # 3
X-rays were discovered by
Question # 4
The typical nuclei are less than:
Question # 5
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 6
For Holography we use
Question # 7
The following gas was identified in the sun using spectroscopy
Question # 8
The radius of 10th orbit in hydrogen atom is.
Question # 9
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 10
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 # 11
The energy of 4th Orbit in hydrogen atom is.
Question # 12
The first laser was built by
Question # 13
The rest mass x ray photon is
Question # 14
In according with Bohr's theory the K.E of the electron is equal to:
Question # 15
When an electron in an atom goes from a lower to higher orbit its:
Question # 16
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 17
Earth orbital speed is
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 | Which of the following is one of the spectral series of atomic hydrogen? |
A. Brockett series
B. Balmer series
C. P fund series
D. All of above
|
| 2 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 3 | The temperature of core of nuclear reactor is: |
A. 1100°C
B. 1200°C
C. 1300°C
D. 1400°C
|
| 4 | Laser can be made by creating. |
A. Meta stable
B. Population inversion
C. Excited state
D. All of these
|
| 5 | Laser is a beam of light which is |
A. Monochromatic
B. Coherent
C. Unidirectional
D. All of these
|
| 6 | Which series lies in the ultraviolet region. |
A. Balmer series
B. Bracket series
C. Ptund series
D. Lyman series
|
| 7 | Black Body radiation spectrum is an example of: |
A. Atomic spectra
B. Line spectra
C. Continuous spectra
D. None of above
|
| 8 | 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
|
| 9 | Production of x rays is reverse process of |
A. Photo electric effect
B. Compton effect
C. An nihilation
D. Pair production
|
| 10 | The first laser was built by |
A. ArthursSchawalow
B. T.H.Maiman
C. Peter Sorokin
D. C.H.Townes
|
Test Questions