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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 X-rays diffraction with crystal was first studied by
Question # 2
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 3
Photons emitted in inner shell transition are.
Question # 4
The shortest wave length is Bracket series has wave length.
Question # 5
Kx -Xrays are produced due to transition of electron from.
Question # 6
X- ray diffraction reveals that these are
Question # 7
Paschen series lies in the
Question # 8
The value of Rydberg constant is:
Question # 9
The energy of 4th Orbit in hydrogen atom is.
Question # 10
Energy produced due to fission of uranium atom is:
Question # 11
The series in visible region is:
Question # 12
The first spectral lines were discovered in 1885, were
Question # 13
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 14
First spectral series of hydrogen atom was discovered by
Question # 15
The first theory about the structure of an atom was introduced by
Question # 16
The following gas was identified in the sun using spectroscopy
Question # 17
Hydrogen atom spectrum does not lie in
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 temperature of core of nuclear reactor is: |
A. 1100°C
B. 1200°C
C. 1300°C
D. 1400°C
|
| 2 | 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
|
| 3 | Which is not characteristic of Laser. |
A. Monochromatic
B. Coherent
C. Intense
D. Multi direction
|
| 4 | 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
|
| 5 | 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
|
| 6 | The process by which lesser beam can be used to generate 3-dimensional images of objects is called |
A. Holography
B. Geo graphy
C. Tomography
D. Radio graphy
|
| 7 | The first laser was built by |
A. ArthursSchawalow
B. T.H.Maiman
C. Peter Sorokin
D. C.H.Townes
|
| 8 | If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is: |
A. 10.2 eV
B. 0 eV
C. 3.4 eV
D. 6.8 eV
|
| 9 | An atom can reside in excited state for |
A. 10-8 second
B. One second
C. 10-10 second
D. More than one second
|
| 10 | 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
|
Test Questions