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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 unit of Rh is.
Question # 2
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 3
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 # 4
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 5
When an electron in an atom goes from a lower to higher orbit its:
Question # 6
Balmer series lies in
Question # 7
Production of x rays is reverse process of
Question # 8
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 9
Bremsstrahlung radiation are examples of
Question # 10
A° is the unit of:
Question # 11
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 12
The temperature of core of nuclear reactor is:
Question # 13
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 14
Boher proposed his atomic model in:
Question # 15
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 16
Target material used in x-rays tube have following properties.
Question # 17
Paschen series lies in the
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 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 2 | Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their. |
A. Energy
B. Mass
C. Wave length
D. Momentum
|
| 3 | For Paschen series, the value of 'n' starts from |
A. 2
B. 4
C. 6
D. 8
|
| 4 | For an atom of hydrogen atom the radius of the first orbit is given by: |
A. H/me2
B. me/4h2
C. h2/4π2 kme2
D. h2 me2
|
| 5 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 6 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 7 | Which is not characteristic of Laser. |
A. Monochromatic
B. Coherent
C. Intense
D. Multi direction
|
| 8 | 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
|
| 9 | When an electron in an atom goes from a lower to higher orbit its: |
A. K.E increases , P.E decreases
B. K.E increases , P.E increases
C. K.E decreases , P.E increases
D. K.E decreases , P.E decreases
|
| 10 | The typical nuclei are less than: |
A. 10-16m
B. 10-14m
C. 10-12m
D. 10-10m
|
Test Questions
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