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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 idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 2
Which series lies in the ultraviolet region.
Question # 3
For Paschen series, the value of 'n' starts from
Question # 4
Laser can be made by creating.
Question # 5
Balmer series lies in
Question # 6
X- ray diffraction reveals that these are
Question # 7
The first spectral lines were discovered in 1885, were
Question # 8
The energy of 4th Orbit in hydrogen atom is.
Question # 9
If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is:
Question # 10
Paschen series lies in the
Question # 11
Which is not true for X rays
Question # 12
1 rad =
Question # 13
The value of Rydberg constant is:
Question # 14
Electron volt is unit of:
Question # 15
X-rays were discovered by
Question # 16
The X-rays diffraction with crystal was first studied by
Question # 17
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
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 value of Rydberg constant is |
A. 1.0974 x 107 m-1
B. 1.0974 x 10-7 m-1
C. 1.0974 x 106 m-1
D. 1.0974 x 10-6 m-1
|
| 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 | 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
|
| 4 | Earth orbital speed is |
A. 10 km/s
B. 20 km/s
C. 30 km/s
D. 40 km/s
|
| 5 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 6 | The unit of Rh is. |
A. ms-1
B. m
C. m2
D. m-1
|
| 7 | The series in infrared region is: |
A. Paschen series
B. Bracket series
C. Pfund series
D. All of above
|
| 8 | If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of. |
A. 3.40 eV
B. 10.20 eV
C. 13.6 eV
D. 3.8 eV
|
| 9 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 10 | Laser can be made by creating. |
A. Meta stable
B. Population inversion
C. Excited state
D. All of these
|
Test Questions