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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
Paschen series lies in the
Question # 2
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 3
The radius of 10th orbit in hydrogen atom is.
Question # 4
An atom can reside in excited state for
Question # 5
The first theory about the structure of an atom was introduced by
Question # 6
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 7
Photons emitted in inner shell transition are.
Question # 8
The 1st Bohr atom in the hydrogen atom has radius
Question # 9
Black Body radiation spectrum is an example of:
Question # 10
The first spectral lines were discovered in 1885, were
Question # 11
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 12
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 13
Radius of first Bohr's orbit is.
Question # 14
Laser is a beam of light which is
Question # 15
The temperature of core of nuclear reactor is:
Question # 16
The following gas was identified in the sun using spectroscopy
Question # 17
The series in infrared region 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 1st Bohr atom in the hydrogen atom has radius |
A. 3.56 x 10-10 m
B. 0.053 x 10-11 m
C. 0.53 x 10-11 m
D. 5.30 x 10-11 m
|
| 2 | Which is not true for X rays |
A. X rays are not defected by electric field
B. X rays are polarized
C. X rays consist of electromagnetic waves
D. X rays can be diffracted by grating
|
| 3 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 4 | When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as. |
A. Photoelectric effect
B. Piezo electric effect
C. Thermionic emission
D. Secondary emission
|
| 5 | The energy of 4th Orbit in hydrogen atom is. |
A. -2.51 eV
B. -3.50 eV
C. -13.60 eV
D. -0.85 eV
|
| 6 | Energy produced due to fission of uranium atom is: |
A. 500MeV
B. 200MeV
C. 700MeV
D. 750MEV
|
| 7 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 8 | Target material used in x-rays tube have following properties. |
A. High atomic number and high melting pouint
B. High atomic number and low melting pouint
C. Low atomic number and low melting pouint
D. High atomic number only
|
| 9 | Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their. |
A. Energy
B. Mass
C. Wave length
D. Momentum
|
| 10 | The first theory about the structure of an atom was introduced by |
A. Neil Bohr
B. Einstein
C. Compton
D. Rutherford
|
Test Questions