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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 value of Rydberg constant is
Question # 2
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 3
The value of Rydberg constant is:
Question # 4
Energy produced due to fission of uranium atom is:
Question # 5
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 6
The energy of 4th Orbit in hydrogen atom is.
Question # 7
Boher proposed his atomic model in:
Question # 8
The typical nuclei are less than:
Question # 9
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 10
Study of hydrogen visible spectrum in
Question # 11
Electron volt is unit of:
Question # 12
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 13
The shortest wave length is Bracket series has wave length.
Question # 14
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 15
Which is not true for X rays
Question # 16
The radius of 10th orbit in hydrogen atom is.
Question # 17
The X-rays diffraction with crystal was first studied by
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 hydrogen atom is: |
A. 0.53A°
B. 0.053A°
C. 0.53 x 10-9
D. 0.053 x10-9
|
| 2 | The first theory about the structure of an atom was introduced by |
A. Neil Bohr
B. Einstein
C. Compton
D. Rutherford
|
| 3 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 4 | Laser is a beam of light which is |
A. Monochromatic
B. Coherent
C. Unidirectional
D. All of these
|
| 5 | 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
|
| 6 | An atom can reside in excited state for |
A. 10-8 second
B. One second
C. 10-10 second
D. More than one second
|
| 7 | The unit of Rh is. |
A. ms-1
B. m
C. m2
D. m-1
|
| 8 | 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
|
| 9 | Reflecting mirrors in laser is used to |
A. Further stimulation
B. For producing more energetic lasers
C. Both (a) and (b)
D. None of these
|
| 10 | Life time of metastable states is |
A. 10-6 sec or more
B. 10-3 sec or more
C. 10-5 sec or more
D. None of these
|
Test Questions
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