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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 value of Rydberg constant is:
Question # 2
Charge on positron is:
Question # 3
Laser is a device which can produce:
Question # 4
Helium-Neon laser discharge tube contains neon
Question # 5
_____ has the largest de Broglie wavelength at same speed.
Question # 6
The unit of Rh is.
Question # 7
Laser can be made by creating.
Question # 8
The longest wavelength of Paschen series is.
Question # 9
A° is the unit of:
Question # 10
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 11
Earth orbital speed is
Question # 12
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 13
The rest mass x ray photon is
Question # 14
Kx -Xrays are produced due to transition of electron from.
Question # 15
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 16
Production of x rays is reverse process of
Question # 17
The value of Rydberg constant 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 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 2 | The X-rays diffraction with crystal was first studied by |
A. W.H Bragg
B. W.L. Bragg
C. Michelson
D. None of these
|
| 3 | If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of. |
A. 3.40 eV
B. 10.20 eV
C. 13.6 eV
D. 3.8 eV
|
| 4 | 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
|
| 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 | The following gas was identified in the sun using spectroscopy |
A. Hydrogen
B. Helium
C. Carbon
D. Nitrogen
|
| 7 | 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
|
| 8 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
| 9 | 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
|
| 10 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
Test Questions