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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
Laser is a beam of light which is
Question # 2
Frequency of x-rays depends upon.
Question # 3
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 4
The typical nuclei are less than:
Question # 5
1 rad =
Question # 6
Laser can be made by creating.
Question # 7
We can find from de Broglie formula
Question # 8
Which series lies in the ultraviolet region.
Question # 9
The temperature of core of nuclear reactor is:
Question # 10
Energy produced due to fission of uranium atom is:
Question # 11
Radius of first Bohr's orbit is.
Question # 12
For Paschen series, the value of 'n' starts from
Question # 13
Study of hydrogen visible spectrum in
Question # 14
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 15
The X-rays diffraction with crystal was first studied by
Question # 16
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 # 17
In Helium Neon laser, discharge tube is filled with Neon gas.
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 | Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be. |
A. 0.106 nm
B. 0.212 nm
C. 0.053 nm
D. 0.53 x 10-10 nm
|
| 2 | Balmer series lies in region of electromagnetic spectrum. |
A. Infrared
B. Visible
C. Ultraviolet
D. Fra infrared
|
| 3 | The first laser was built by |
A. ArthursSchawalow
B. T.H.Maiman
C. Peter Sorokin
D. C.H.Townes
|
| 4 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 5 | The series in visible region is: |
A. Balmer series
B. Pfund series
C. Paschen series
D. None of above
|
| 6 | Which of the following is one of the spectral series of atomic hydrogen? |
A. Brockett series
B. Balmer series
C. P fund series
D. All of above
|
| 7 | Charge on an atom is: |
A. Positive
B. Negative
C. Neutral
D. None of these
|
| 8 | 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
|
| 9 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 10 | Boher proposed his atomic model in: |
A. 1910
B. 1911
C. 1912
D. 1913
|
Test Questions
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