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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
Charge on positron is:
Question # 2
The first orbit in the hydrogen atom has a radius.
Question # 3
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 4
Laser is a device which can produce:
Question # 5
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 6
The rest mass x ray photon is
Question # 7
When an electron in an atom goes from a lower to higher orbit its:
Question # 8
Which is not true for X rays
Question # 9
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 10
The temperature of core of nuclear reactor is:
Question # 11
The typical nuclei are less than:
Question # 12
The following gas was identified in the sun using spectroscopy
Question # 13
In according with Bohr's theory the K.E of the electron is equal to:
Question # 14
The longest wavelength of Paschen series is.
Question # 15
An atom can reside in excited state for
Question # 16
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 17
A° is the unit of:
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 | The first laser was built by |
A. ArthursSchawalow
B. T.H.Maiman
C. Peter Sorokin
D. C.H.Townes
|
| 2 | Which is not characteristic of Laser. |
A. Monochromatic
B. Coherent
C. Intense
D. Multi direction
|
| 3 | Electron volt is unit of: |
A. Chemical energy
B. Potential energy
C. Nuclear energy
D. heat energy
|
| 4 | The X-rays diffraction with crystal was first studied by |
A. W.H Bragg
B. W.L. Bragg
C. Michelson
D. None of these
|
| 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 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 7 | For an atom of hydrogen atom the radius of the first orbit is given by: |
A. H/me2
B. me/4h2
C. h2/4π2 kme2
D. h2 me2
|
| 8 | Which series lies in the ultraviolet region. |
A. Balmer series
B. Bracket series
C. Ptund series
D. Lyman series
|
| 9 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 10 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
Test Questions