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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 rest mass x ray photon is
Question # 2
In an electronic transition atom cannot emit.
Question # 3
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 4
Energy produced due to fission of uranium atom is:
Question # 5
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 6
The 1st Bohr atom in the hydrogen atom has radius
Question # 7
Frequency of x-rays depends upon.
Question # 8
The unit of Rh is.
Question # 9
The first laser was built by
Question # 10
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 11
Which of the following is one of the spectral series of atomic hydrogen?
Question # 12
In according with Bohr's theory the K.E of the electron is equal to:
Question # 13
The first spectral lines were discovered in 1885, were
Question # 14
Balmer series lies in
Question # 15
In Helium Neon laser, the discharge tube is filled with
Question # 16
The radius of 10th orbit in hydrogen atom is.
Question # 17
_____ has the largest de Broglie wavelength at same speed.
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 | Kx -Xrays are produced due to transition of electron from. |
A. K to L shell
B. L to K shell
C. M to K shell
D. M to L shell
|
| 2 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 3 | Boher proposed his atomic model in: |
A. 1910
B. 1911
C. 1912
D. 1913
|
| 4 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 5 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 6 | Black Body radiation spectrum is an example of: |
A. Atomic spectra
B. Line spectra
C. Continuous spectra
D. None of above
|
| 7 | The radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 8 | Reflecting mirrors in laser is used to |
A. Further stimulation
B. For producing more energetic lasers
C. Both (a) and (b)
D. None of these
|
| 9 | Hydrogen atom spectrum does not lie in |
A. Ultraviolet region
B. Visible region
C. Infrared region
D. X ray region
|
| 10 | The typical nuclei are less than: |
A. 10-16m
B. 10-14m
C. 10-12m
D. 10-10m
|
Test Questions
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