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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
X- ray diffraction reveals that these are
Question # 2
The series in visible region is:
Question # 3
Which is not true for X rays
Question # 4
The typical nuclei are less than:
Question # 5
The first theory about the structure of an atom was introduced by
Question # 6
Production of x rays is reverse process of
Question # 7
The unit of Rh is.
Question # 8
The radius of 10th orbit in hydrogen atom is.
Question # 9
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 10
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 11
The longest wavelength of Paschen series is.
Question # 12
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 13
When an electron in an atom goes from a lower to higher orbit its:
Question # 14
The first spectral lines were discovered in 1885, were
Question # 15
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 16
Charge on positron is:
Question # 17
For Paschen series, the value of 'n' starts from
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 | 1 rem = |
A. 0.001 SV
B. 0.01 SV
C. 0.1 SV
D. 1.01 SV
|
| 2 | The value of Rydberg constant is: |
A. 1.0749x107m-1
B. 1.0974 x 107 m-1
C. 1.974 x106m-1
D. 1.0974 x 10-7 m-1
|
| 3 | 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
|
| 4 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 5 | The X-rays diffraction with crystal was first studied by |
A. W.H Bragg
B. W.L. Bragg
C. Michelson
D. None of these
|
| 6 | 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
|
| 7 | 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
|
| 8 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
| 9 | Which of the following series of hydrogen spectrum lies in ultra violet region. |
A. Lyman sereis
B. Paschen series
C. Balmar series
D. Bracket series
|
| 10 | When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as. |
A. Photoelectric effect
B. Piezo electric effect
C. Thermionic emission
D. Secondary emission
|
Test Questions