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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
For Paschen series, the value of 'n' starts from
Question # 2
Photons emitted in inner shell transition are.
Question # 3
Energy produced due to fission of uranium atom is:
Question # 4
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 # 5
First spectral series of hydrogen atom was discovered by
Question # 6
The following gas was identified in the sun using spectroscopy
Question # 7
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 8
The radius of hydrogen atom is:
Question # 9
In according with Bohr's theory the K.E of the electron is equal to:
Question # 10
The first spectral lines were discovered in 1885, were
Question # 11
Which is not characteristic of Laser.
Question # 12
Charge on an atom is:
Question # 13
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 14
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 15
The radius of 10th orbit in hydrogen atom is.
Question # 16
The unit of Rh is.
Question # 17
Bremsstrahlung radiation are examples 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 | 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 | The rest mass x ray photon is |
A. Infinite
B. Zero
C. 1.67 X-17 kg
D. All of the above
|
| 3 | The first laser was built by |
A. ArthursSchawalow
B. T.H.Maiman
C. Peter Sorokin
D. C.H.Townes
|
| 4 | Earth orbital speed is |
A. 10 km/s
B. 20 km/s
C. 30 km/s
D. 40 km/s
|
| 5 | 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
|
| 6 | Charge on an atom is: |
A. Positive
B. Negative
C. Neutral
D. None of these
|
| 7 | In Helium Neon laser, the discharge tube is filled with |
A. 80% He, 20% Neon
B. 85% He, 15% Neon
C. 83% He, 17% Neon
D. 90% He, 10% Neon
|
| 8 | 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
|
| 9 | 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
|
| 10 | Energy produced due to fission of uranium atom is: |
A. 500MeV
B. 200MeV
C. 700MeV
D. 750MEV
|
Test Questions
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