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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
Charge on an atom is:
Question # 2
Energy produced due to fission of uranium atom is:
Question # 3
X-rays were discovered by
Question # 4
The 1st Bohr atom in the hydrogen atom has radius
Question # 5
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 6
The Balmer series is obtained when all the transition of electrons terminate on
Question # 7
The series in visible region is:
Question # 8
The series in infrared region is:
Question # 9
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 10
Reflecting mirrors in laser is used to
Question # 11
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 12
The temperature of core of nuclear reactor is:
Question # 13
When an electron in an atom goes from a lower to higher orbit its:
Question # 14
Laser is a device which can produce:
Question # 15
Charge on positron is:
Question # 16
In according with Bohr's theory the K.E of the electron is equal to:
Question # 17
Black Body radiation spectrum is an example of:
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 shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 2 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 3 | 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
|
| 4 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 5 | In according with Bohr's theory the K.E of the electron is equal to: |
A. ke2/2r
B. Ze2/r
C. Ze2/r2
D. Ze2/2r2
|
| 6 | For Paschen series, the value of 'n' starts from |
A. 2
B. 4
C. 6
D. 8
|
| 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 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
|
| 9 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 10 | The unit of Rh is. |
A. ms-1
B. m
C. m2
D. m-1
|
Test Questions