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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
Study of hydrogen visible spectrum in
Question # 2
Production of x rays is reverse process of
Question # 3
The Balmer series is obtained when all the transition of electrons terminate on
Question # 4
X-rays were discovered by
Question # 5
Which of the following is one of the spectral series of atomic hydrogen?
Question # 6
Black Body radiation spectrum is an example of:
Question # 7
An atom can reside in excited state for
Question # 8
Radius of first Bohr's orbit is.
Question # 9
1 rad =
Question # 10
Life time of metastable states is
Question # 11
The first orbit in the hydrogen atom has a radius.
Question # 12
_____ has the largest de Broglie wavelength at same speed.
Question # 13
The value of Rydberg constant is:
Question # 14
Reflecting mirrors in laser is used to
Question # 15
Target material used in x-rays tube have following properties.
Question # 16
The value of Rydberg constant is
Question # 17
Electron volt is unit of:
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 shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 2 | 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
|
| 3 | X-rays were discovered by |
A. Curie
B. Henry Becquerel
C. Rontgen
D. None of these
|
| 4 | Radius of first Bohr's orbit is. |
A. 0.053 nm
B. 0.053 mm
C. 0.053 micro meter
D. 0.053 m
|
| 5 | Charge on positron is: |
A. Negative
B. Positive
C. Netural
D. None of these
|
| 6 | The first theory about the structure of an atom was introduced by |
A. Neil Bohr
B. Einstein
C. Compton
D. Rutherford
|
| 7 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 8 | 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
|
| 9 | An atom can reside in excited state for |
A. 10-8 second
B. One second
C. 10-10 second
D. More than one second
|
| 10 | The longest wavelength of Paschen series is. |
A. 656 nm
B. 1094 nm
C. 1875 nm
D. 2000 nm
|
Test Questions