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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 spectral lines were discovered in 1885, were
Question # 2
A° is the unit of:
Question # 3
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 4
The series in visible region is:
Question # 5
Charge on positron is:
Question # 6
Black Body radiation spectrum is an example of:
Question # 7
An atom can reside in excited state for
Question # 8
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 9
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 10
Energy produced due to fission of uranium atom is:
Question # 11
Balmer series lies in region of electromagnetic spectrum.
Question # 12
The energy of 4th Orbit in hydrogen atom is.
Question # 13
When an electron in an atom goes from a lower to higher orbit its:
Question # 14
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 15
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 16
_____ has the largest de Broglie wavelength at same speed.
Question # 17
For Holography we use
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 | X- ray diffraction reveals that these are |
A. Particle type
B. Wave type
C. Both wave and particle
D. None of above
|
| 2 | When an electron in an atom goes from a lower to higher orbit its: |
A. K.E increases , P.E decreases
B. K.E increases , P.E increases
C. K.E decreases , P.E increases
D. K.E decreases , P.E decreases
|
| 3 | 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
|
| 4 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 5 | 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
|
| 6 | Electron volt is unit of: |
A. Chemical energy
B. Potential energy
C. Nuclear energy
D. heat energy
|
| 7 | The line radiations emitted from by hydrogen filled discharge tube can be analyzed into. |
A. Band spectrum
B. Line spectrum
C. Continuous spectrum
D. Absorption spectrum
|
| 8 | 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
|
| 9 | Balmer series lies in |
A. Visible region
B. Invisible region
C. Ultraviolet region
D. Infrared region
|
| 10 | 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
|
Test Questions