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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 Balmer series is obtained when all the transition of electrons terminate on
Question # 2
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 3
Frequency of x-rays depends upon.
Question # 4
When an electron in an atom goes from a lower to higher orbit its:
Question # 5
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 6
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 7
Kx -Xrays are produced due to transition of electron from.
Question # 8
Helium-Neon laser discharge tube contains neon
Question # 9
1 rem =
Question # 10
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 11
The rest mass x ray photon is
Question # 12
Hydrogen atom spectrum does not lie in
Question # 13
Study of hydrogen visible spectrum in
Question # 14
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 15
Black Body radiation spectrum is an example of:
Question # 16
X- ray diffraction reveals that these are
Question # 17
Which is not true for X rays
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 | 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
|
| 2 | Which series lies in the ultraviolet region. |
A. Balmer series
B. Bracket series
C. Ptund series
D. Lyman series
|
| 3 | 1 rad = |
A. 0.001Gy
B. 0.01Gy
C. 0.1Gy
D. 1.01Gy
|
| 4 | The velocity of electron moving is 1st orbit of hydrogen atom is: |
A. 2.09 x 106 ms-1
B. 2.18 x106 ms-1
C. 2.19 x 106 ms-1
D. 3.18 x106 ms-1
|
| 5 | The unit of Rh is. |
A. ms-1
B. m
C. m2
D. m-1
|
| 6 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 7 | The energy of 4th Orbit in hydrogen atom is. |
A. -2.51 eV
B. -3.50 eV
C. -13.60 eV
D. -0.85 eV
|
| 8 | The radius of hydrogen atom is: |
A. 0.53A°
B. 0.053A°
C. 0.53 x 10-9
D. 0.053 x10-9
|
| 9 | 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
|
| 10 | The following gas was identified in the sun using spectroscopy |
A. Hydrogen
B. Helium
C. Carbon
D. Nitrogen
|
Test Questions