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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
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 2
For Paschen series, the value of 'n' starts from
Question # 3
_____ has the largest de Broglie wavelength at same speed.
Question # 4
Which of the following is one of the spectral series of atomic hydrogen?
Question # 5
The unit of Rh is.
Question # 6
The X-rays diffraction with crystal was first studied by
Question # 7
Charge on an atom is:
Question # 8
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 9
X- ray diffraction reveals that these are
Question # 10
Radius of first Bohr's orbit is.
Question # 11
Reflecting mirrors in laser is used to
Question # 12
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 13
Balmer series lies in region of electromagnetic spectrum.
Question # 14
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 # 15
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 16
The first theory about the structure of an atom was introduced by
Question # 17
The value of Rydberg constant 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 | The first orbit in the hydrogen atom has a radius. |
A. 0.53 nm
B. 0.053 nm
C. 0.0053 nm
D. 0.00053 nm
|
| 2 | 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
|
| 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 | 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
|
| 5 | Boher proposed his atomic model in: |
A. 1910
B. 1911
C. 1912
D. 1913
|
| 6 | 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
|
| 7 | Hydrogen atom spectrum does not lie in |
A. Ultraviolet region
B. Visible region
C. Infrared region
D. X ray region
|
| 8 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 9 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
| 10 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
Test Questions