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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
In according with Bohr's theory the K.E of the electron is equal to:
Question # 2
X-rays were discovered by
Question # 3
The following gas was identified in the sun using spectroscopy
Question # 4
The temperature of core of nuclear reactor is:
Question # 5
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 6
In an electronic transition atom cannot emit.
Question # 7
Boher proposed his atomic model in:
Question # 8
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 9
The radius of hydrogen atom is:
Question # 10
The series in visible region is:
Question # 11
The first spectral lines were discovered in 1885, were
Question # 12
The 1st Bohr atom in the hydrogen atom has radius
Question # 13
The energy of 4th Orbit in hydrogen atom is.
Question # 14
Radius of first Bohr's orbit is.
Question # 15
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 16
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 17
An atom can reside in excited state for
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 first spectral lines were discovered in 1885, were |
A. Paschen series
B. Balmer series
C. Pfund series
D. Bracket series
|
| 2 | The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is |
A. 1972
B. 1965
C. 1958
D. 1913
|
| 3 | If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be |
A. 136.0 volt
B. 3.0 volt
C. 13.6 volt
D. None of these
|
| 4 | 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
|
| 5 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 6 | The value of Rydberg constant is |
A. 1.0974 x 107 m-1
B. 1.0974 x 10-7 m-1
C. 1.0974 x 106 m-1
D. 1.0974 x 10-6 m-1
|
| 7 | 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
|
| 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 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 10 | Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their. |
A. Energy
B. Mass
C. Wave length
D. Momentum
|
Test Questions
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