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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 process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 2
The Balmer series is obtained when all the transition of electrons terminate on
Question # 3
The first theory about the structure of an atom was introduced by
Question # 4
1 rem =
Question # 5
Kx -Xrays are produced due to transition of electron from.
Question # 6
Frequency of x-rays depends upon.
Question # 7
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 8
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 9
If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be
Question # 10
Which series lies in the ultraviolet region.
Question # 11
Radius of first Bohr's orbit is.
Question # 12
The rest mass x ray photon is
Question # 13
Laser is a beam of light which is
Question # 14
Target material used in x-rays tube have following properties.
Question # 15
Photons emitted in inner shell transition are.
Question # 16
The shortest wave length is Bracket series has wave length.
Question # 17
The first orbit in the hydrogen atom has a radius.
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 process by which lesser beam can be used to generate 3-dimensional images of objects is called |
A. Holography
B. Geo graphy
C. Tomography
D. Radio graphy
|
| 2 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 3 | For an atom of hydrogen atom the radius of the first orbit is given by: |
A. H/me2
B. me/4h2
C. h2/4π2 kme2
D. h2 me2
|
| 4 | Which is not true for X rays |
A. X rays are not defected by electric field
B. X rays are polarized
C. X rays consist of electromagnetic waves
D. X rays can be diffracted by grating
|
| 5 | In according with Bohr's theory the K.E of the electron is equal to: |
A. ke2/2r
B. Ze2/r
C. Ze2/r2
D. Ze2/2r2
|
| 6 | Earth orbital speed is |
A. 10 km/s
B. 20 km/s
C. 30 km/s
D. 40 km/s
|
| 7 | Energy produced due to fission of uranium atom is: |
A. 500MeV
B. 200MeV
C. 700MeV
D. 750MEV
|
| 8 | First spectral series of hydrogen atom was discovered by |
A. Lyman
B. Rydberg
C. Balmer
D. Paschen
|
| 9 | Electron volt is unit of: |
A. Chemical energy
B. Potential energy
C. Nuclear energy
D. heat energy
|
| 10 | The rest mass x ray photon is |
A. Infinite
B. Zero
C. 1.67 X-17 kg
D. All of the above
|
Test Questions