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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 shortest wave length is Bracket series has wave length.
Question # 2
Charge on positron is:
Question # 3
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 4
The radius of hydrogen atom is:
Question # 5
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 6
Which series lies in the ultraviolet region.
Question # 7
The energy of 4th Orbit in hydrogen atom is.
Question # 8
Which is not true for X rays
Question # 9
For Holography we use
Question # 10
The typical nuclei are less than:
Question # 11
The first laser was built by
Question # 12
Hydrogen atom spectrum does not lie in
Question # 13
Black Body radiation spectrum is an example of:
Question # 14
Laser can be made by creating.
Question # 15
Electron volt is unit of:
Question # 16
The Balmer series is obtained when all the transition of electrons terminate on
Question # 17
Laser is a device which can produce:
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 | The line radiations emitted from by hydrogen filled discharge tube can be analyzed into. |
A. Band spectrum
B. Line spectrum
C. Continuous spectrum
D. Absorption spectrum
|
| 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 | An atom can reside in excited state for |
A. 10-8 second
B. One second
C. 10-10 second
D. More than one second
|
| 4 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 5 | Earth orbital speed is |
A. 10 km/s
B. 20 km/s
C. 30 km/s
D. 40 km/s
|
| 6 | The radius of hydrogen atom is: |
A. 0.53A°
B. 0.053A°
C. 0.53 x 10-9
D. 0.053 x10-9
|
| 7 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
| 8 | The unit of Rh is. |
A. ms-1
B. m
C. m2
D. m-1
|
| 9 | The process by which lesser beam can be used to generate 3-dimensional images of objects is called |
A. Holography
B. Geo graphy
C. Tomography
D. Radio graphy
|
| 10 | The rest mass x ray photon is |
A. Infinite
B. Zero
C. 1.67 X-17 kg
D. All of the above
|
Test Questions
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