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ICS Part 2 Physics
Chapter 20 Test
Start Chapter 20 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 20 Online MCQ's Test
00:00
Question # 1
1 rad =
Question # 2
The temperature of core of nuclear reactor is:
Question # 3
Black Body radiation spectrum is an example of:
Question # 4
The typical nuclei are less than:
Question # 5
Laser can be made by creating.
Question # 6
Reflecting mirrors in laser is used to
Question # 7
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 8
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 9
The first laser was built by
Question # 10
Laser is a device which can produce:
Question # 11
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 12
Radius of first Bohr's orbit is.
Question # 13
The energy of 4th Orbit in hydrogen atom is.
Question # 14
The Balmer series is obtained when all the transition of electrons terminate on
Question # 15
The unit of Rh is.
Question # 16
Study of hydrogen visible spectrum in
Question # 17
The value of Rydberg constant is
ICS 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 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 2 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
| 3 | Hydrogen atom spectrum does not lie in |
A. Ultraviolet region
B. Visible region
C. Infrared region
D. X ray region
|
| 4 | An atom can reside in excited state for |
A. 10-8 second
B. One second
C. 10-10 second
D. More than one second
|
| 5 | 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
|
| 6 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 7 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 8 | The unit of Rh is. |
A. ms-1
B. m
C. m2
D. m-1
|
| 9 | The value of Rydberg constant is: |
A. 1.0749x107m-1
B. 1.0974 x 107 m-1
C. 1.974 x106m-1
D. 1.0974 x 10-7 m-1
|
| 10 | 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
|
Test Questions
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