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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
Energy produced due to fission of uranium atom is:
Question # 2
Balmer series lies in region of electromagnetic spectrum.
Question # 3
Frequency of x-rays depends upon.
Question # 4
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 5
A° is the unit of:
Question # 6
The value of Rydberg constant is
Question # 7
The shortest wave length is Bracket series has wave length.
Question # 8
Bremsstrahlung radiation are examples of
Question # 9
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 10
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 11
X-rays were discovered by
Question # 12
_____ has the largest de Broglie wavelength at same speed.
Question # 13
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 14
1 rem =
Question # 15
In an electronic transition atom cannot emit.
Question # 16
Charge on positron is:
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 | Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their. |
A. Energy
B. Mass
C. Wave length
D. Momentum
|
| 2 | 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
|
| 3 | Which series lies in the ultraviolet region. |
A. Balmer series
B. Bracket series
C. Ptund series
D. Lyman series
|
| 4 | The temperature of core of nuclear reactor is: |
A. 1100°C
B. 1200°C
C. 1300°C
D. 1400°C
|
| 5 | The rest mass x ray photon is |
A. Infinite
B. Zero
C. 1.67 X-17 kg
D. All of the above
|
| 6 | Bremsstrahlung radiation are examples of |
A. Atomic spectra
B. Molecular spectra
C. Continuous spectra
D. Discrete spectra
|
| 7 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
| 8 | _____ has the largest de Broglie wavelength at same speed. |
A. Proton
B. Alpha particle
C. Carbon atom
D. Electron
|
| 9 | 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
|
| 10 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
Test Questions