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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 first laser was built by
Question # 2
Laser is a device which can produce:
Question # 3
In according with Bohr's theory the K.E of the electron is equal to:
Question # 4
The series in visible region is:
Question # 5
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 6
Production of x rays is reverse process of
Question # 7
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 8
Boher proposed his atomic model in:
Question # 9
Kx -Xrays are produced due to transition of electron from.
Question # 10
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 11
Life time of metastable states is
Question # 12
Radius of first Bohr's orbit is.
Question # 13
Photons emitted in inner shell transition are.
Question # 14
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 15
A° is the unit of:
Question # 16
1 rem =
Question # 17
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
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 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 2 | _____ has the largest de Broglie wavelength at same speed. |
A. Proton
B. Alpha particle
C. Carbon atom
D. Electron
|
| 3 | Balmer series lies in |
A. Visible region
B. Invisible region
C. Ultraviolet region
D. Infrared region
|
| 4 | The radius of hydrogen atom is: |
A. 0.53A°
B. 0.053A°
C. 0.53 x 10-9
D. 0.053 x10-9
|
| 5 | Which series lies in the ultraviolet region. |
A. Balmer series
B. Bracket series
C. Ptund series
D. Lyman series
|
| 6 | 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
|
| 7 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 8 | The following gas was identified in the sun using spectroscopy |
A. Hydrogen
B. Helium
C. Carbon
D. Nitrogen
|
| 9 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 10 | Boher proposed his atomic model in: |
A. 1910
B. 1911
C. 1912
D. 1913
|
Test Questions