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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
The energy of 4th Orbit in hydrogen atom is.
Question # 3
First spectral series of hydrogen atom was discovered by
Question # 4
1 rad =
Question # 5
Frequency of x-rays depends upon.
Question # 6
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 7
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 8
Hydrogen atom spectrum does not lie in
Question # 9
When an electron in an atom goes from a lower to higher orbit its:
Question # 10
Laser is a beam of light which is
Question # 11
X- ray diffraction reveals that these are
Question # 12
The radius of 10th orbit in hydrogen atom is.
Question # 13
The temperature of core of nuclear reactor is:
Question # 14
The value of Rydberg constant is:
Question # 15
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 16
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 17
In an electronic transition atom cannot emit.
FSC Part 2 Physics Chapter 20 Online Test MCQ's
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FSc Part II Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The rest mass x ray photon is |
A. Infinite
B. Zero
C. 1.67 X-17 kg
D. All of the above
|
| 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 | Production of x rays is reverse process of |
A. Photo electric effect
B. Compton effect
C. An nihilation
D. Pair production
|
| 4 | X-rays were discovered by |
A. Curie
B. Henry Becquerel
C. Rontgen
D. None of these
|
| 5 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 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 | 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
|
| 8 | Radius of first Bohr's orbit is. |
A. 0.053 nm
B. 0.053 mm
C. 0.053 micro meter
D. 0.053 m
|
| 9 | Kx -Xrays are produced due to transition of electron from. |
A. K to L shell
B. L to K shell
C. M to K shell
D. M to L shell
|
| 10 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
Test Questions