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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
_____ has the largest de Broglie wavelength at same speed.
Question # 2
The series in infrared region is:
Question # 3
The energy of 4th Orbit in hydrogen atom is.
Question # 4
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 5
Target material used in x-rays tube have following properties.
Question # 6
Production of x rays is reverse process of
Question # 7
Laser can be made by creating.
Question # 8
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 9
Hydrogen atom spectrum does not lie in
Question # 10
Kx -Xrays are produced due to transition of electron from.
Question # 11
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 12
X-rays were discovered by
Question # 13
The first spectral lines were discovered in 1885, were
Question # 14
Reflecting mirrors in laser is used to
Question # 15
Life time of metastable states is
Question # 16
Black Body radiation spectrum is an example of:
Question # 17
Charge on an atom 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 | Electron volt is unit of: |
A. Chemical energy
B. Potential energy
C. Nuclear energy
D. heat energy
|
| 2 | 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
|
| 3 | The velocity of electron moving is 1st orbit of hydrogen atom is: |
A. 2.09 x 106 ms-1
B. 2.18 x106 ms-1
C. 2.19 x 106 ms-1
D. 3.18 x106 ms-1
|
| 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 | The first orbit in the hydrogen atom has a radius. |
A. 0.53 nm
B. 0.053 nm
C. 0.0053 nm
D. 0.00053 nm
|
| 6 | Charge on an atom is: |
A. Positive
B. Negative
C. Neutral
D. None of these
|
| 7 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 8 | Study of hydrogen visible spectrum in |
A. 1886
B. 1887
C. 1895
D. 1885
|
| 9 | Helium Neon Laser Beam emitted from discharge tube has a colour. |
A. Blue
B. Green
C. Red
D. Black
|
| 10 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
Test Questions
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