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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
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 2
Bremsstrahlung radiation are examples of
Question # 3
Which of the following is one of the spectral series of atomic hydrogen?
Question # 4
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 5
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 # 6
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 7
Boher proposed his atomic model in:
Question # 8
The following gas was identified in the sun using spectroscopy
Question # 9
The typical nuclei are less than:
Question # 10
The value of Rydberg constant is
Question # 11
The first laser was built by
Question # 12
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 13
The energy of 4th Orbit in hydrogen atom is.
Question # 14
First spectral series of hydrogen atom was discovered by
Question # 15
The temperature of core of nuclear reactor is:
Question # 16
1 rem =
Question # 17
The unit of Rh is.
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 | 1 rad = |
A. 0.001Gy
B. 0.01Gy
C. 0.1Gy
D. 1.01Gy
|
| 2 | Target material used in x-rays tube have following properties. |
A. High atomic number and high melting pouint
B. High atomic number and low melting pouint
C. Low atomic number and low melting pouint
D. High atomic number only
|
| 3 | The radius of hydrogen atom is: |
A. 0.53A°
B. 0.053A°
C. 0.53 x 10-9
D. 0.053 x10-9
|
| 4 | In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to: |
A. Infinite energy
B. Maximum energy
C. Minimum energy
D. Zero energy
|
| 5 | Reflecting mirrors in laser is used to |
A. Further stimulation
B. For producing more energetic lasers
C. Both (a) and (b)
D. None of these
|
| 6 | 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
|
| 7 | An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case. |
A. 6
B. 5
C. 4
D. 3
|
| 8 | Which is not characteristic of Laser. |
A. Monochromatic
B. Coherent
C. Intense
D. Multi direction
|
| 9 | Kx -Xrays are produced due to transition of electron from. |
A. K to L shell
B. L to K shell
C. M to K shell
D. M to L shell
|
| 10 | The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is |
A. 1972
B. 1965
C. 1958
D. 1913
|
Test Questions
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