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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
1 rem =
Question # 2
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 3
Balmer series lies in region of electromagnetic spectrum.
Question # 4
Black Body radiation spectrum is an example of:
Question # 5
The shortest wave length is Bracket series has wave length.
Question # 6
The radius of 10th orbit in hydrogen atom is.
Question # 7
Boher proposed his atomic model in:
Question # 8
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 9
The series in infrared region is:
Question # 10
The X-rays diffraction with crystal was first studied by
Question # 11
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 12
Electron volt is unit of:
Question # 13
For Paschen series, the value of 'n' starts from
Question # 14
Kx -Xrays are produced due to transition of electron from.
Question # 15
Charge on an atom is:
Question # 16
Reflecting mirrors in laser is used to
Question # 17
The longest wavelength of Paschen series is.
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 X-rays diffraction with crystal was first studied by |
A. W.H Bragg
B. W.L. Bragg
C. Michelson
D. None of these
|
| 2 | The value of Rydberg constant is: |
A. 1.0749x107m-1
B. 1.0974 x 107 m-1
C. 1.974 x106m-1
D. 1.0974 x 10-7 m-1
|
| 3 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 4 | The series in infrared region is: |
A. Paschen series
B. Bracket series
C. Pfund series
D. All of above
|
| 5 | 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
|
| 6 | 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
|
| 7 | Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their. |
A. Energy
B. Mass
C. Wave length
D. Momentum
|
| 8 | An atom can reside in excited state for |
A. 10-8 second
B. One second
C. 10-10 second
D. More than one second
|
| 9 | In according with Bohr's theory the K.E of the electron is equal to: |
A. ke2/2r
B. Ze2/r
C. Ze2/r2
D. Ze2/2r2
|
| 10 | Helium Neon Laser Beam emitted from discharge tube has a colour. |
A. Blue
B. Green
C. Red
D. Black
|
Test Questions