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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
Photons emitted in inner shell transition are.
Question # 2
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 3
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 4
The series in visible region is:
Question # 5
The Balmer series is obtained when all the transition of electrons terminate on
Question # 6
Charge on an atom is:
Question # 7
Production of x rays is reverse process of
Question # 8
Which of the following is one of the spectral series of atomic hydrogen?
Question # 9
The value of Rydberg constant is
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 value of Rydberg constant is:
Question # 12
The first spectral lines were discovered in 1885, were
Question # 13
Charge on positron is:
Question # 14
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 15
Radius of first Bohr's orbit is.
Question # 16
In Helium Neon laser, the discharge tube is filled with
Question # 17
The longest wavelength of Paschen series 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 | Earth orbital speed is |
A. 10 km/s
B. 20 km/s
C. 30 km/s
D. 40 km/s
|
| 2 | The following gas was identified in the sun using spectroscopy |
A. Hydrogen
B. Helium
C. Carbon
D. Nitrogen
|
| 3 | Helium Neon Laser Beam emitted from discharge tube has a colour. |
A. Blue
B. Green
C. Red
D. Black
|
| 4 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 5 | The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is |
A. 1972
B. 1965
C. 1958
D. 1913
|
| 6 | In Helium Neon laser, the discharge tube is filled with |
A. 80% He, 20% Neon
B. 85% He, 15% Neon
C. 83% He, 17% Neon
D. 90% He, 10% Neon
|
| 7 | The radius of hydrogen atom is: |
A. 0.53A°
B. 0.053A°
C. 0.53 x 10-9
D. 0.053 x10-9
|
| 8 | The radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 9 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 10 | Frequency of x-rays depends upon. |
A. Number of electrons striking target
B. Accelerating potencial
C. Nature of the target
D. Both B and C
|
Test Questions