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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 Holography we use
Question # 2
Which is not characteristic of Laser.
Question # 3
1 rem =
Question # 4
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 5
The typical nuclei are less than:
Question # 6
Bremsstrahlung radiation are examples of
Question # 7
The temperature of core of nuclear reactor is:
Question # 8
Frequency of x-rays depends upon.
Question # 9
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 10
The X-rays diffraction with crystal was first studied by
Question # 11
Charge on positron is:
Question # 12
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 13
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 # 14
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 15
Photons emitted in inner shell transition are.
Question # 16
The longest wavelength of Paschen series is.
Question # 17
Balmer series lies in
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 Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 2 | Which is not true for X rays |
A. X rays are not defected by electric field
B. X rays are polarized
C. X rays consist of electromagnetic waves
D. X rays can be diffracted by grating
|
| 3 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 4 | The first laser was built by |
A. ArthursSchawalow
B. T.H.Maiman
C. Peter Sorokin
D. C.H.Townes
|
| 5 | Life time of metastable states is |
A. 10-6 sec or more
B. 10-3 sec or more
C. 10-5 sec or more
D. None of these
|
| 6 | Reflecting mirrors in laser is used to |
A. Further stimulation
B. For producing more energetic lasers
C. Both (a) and (b)
D. None of these
|
| 7 | 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
|
| 8 | Black Body radiation spectrum is an example of: |
A. Atomic spectra
B. Line spectra
C. Continuous spectra
D. None of above
|
| 9 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 10 | The energy of 4th Orbit in hydrogen atom is. |
A. -2.51 eV
B. -3.50 eV
C. -13.60 eV
D. -0.85 eV
|
Test Questions
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