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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
Production of x rays is reverse process of
Question # 2
Energy produced due to fission of uranium atom is:
Question # 3
Earth orbital speed is
Question # 4
The shortest wave length is Bracket series has wave length.
Question # 5
The first spectral lines were discovered in 1885, were
Question # 6
The radius of hydrogen atom is:
Question # 7
The value of Rydberg constant is
Question # 8
Which of the following is one of the spectral series of atomic hydrogen?
Question # 9
Laser is a device which can produce:
Question # 10
Reflecting mirrors in laser is used to
Question # 11
X- ray diffraction reveals that these are
Question # 12
Photons emitted in inner shell transition are.
Question # 13
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 14
For Paschen series, the value of 'n' starts from
Question # 15
The 1st Bohr atom in the hydrogen atom has radius
Question # 16
For Holography we use
Question # 17
Helium Neon Laser Beam emitted from discharge tube has a colour.
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 radius of 10th orbit in hydrogen atom is. |
A. 0.053 nm
B. 0.53 nm
C. 5.3 nm
D. 53 nm
|
| 2 | 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
|
| 3 | For Paschen series, the value of 'n' starts from |
A. 2
B. 4
C. 6
D. 8
|
| 4 | 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
|
| 5 | 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
|
| 6 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 7 | Laser is a device which can produce: |
A. Intense beam of light
B. Coherant beam of light
C. Monochromatic beam of light
D. All of the above
|
| 8 | Laser can be made by creating. |
A. Meta stable
B. Population inversion
C. Excited state
D. All of these
|
| 9 | 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
|
| 10 | Balmer series lies in region of electromagnetic spectrum. |
A. Infrared
B. Visible
C. Ultraviolet
D. Fra infrared
|
Test Questions
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