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FSC Part 2 Physics
Chapter 19 Test
Start Chapter 19 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 19 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 19 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 19 Online MCQ's Test
00:00
Question # 1
Pair production cannto take place in vacuum because :
Question # 2
The principle regarding the dual nature of light was first discovered by
Question # 3
The mass of an object will be doubled at speed.
Question # 4
Eintein's Photoelectric equation is Ek= hf -∅ in this equation E1, refers to:
Question # 5
The unit of Plank's constant 'h' is.
Question # 6
Albert Einstein got noble prize in:
Question # 7
Which one of the following paved the way for modern physics
Question # 8
The wavelength associated with the protons moving at speed of 40 m/s is.
Question # 9
Wave nature of light appears in
Question # 10
Compton's effect is associated with
Question # 11
The photon with energy greater than 1.02 MeV can interact with matter as.
Question # 12
In the equation if f2 > then
Question # 13
The existence of positron was discovered in:
Question # 14
If an object moves with speed of light, its mass will be.
Question # 15
Who explained the photo electric effect.
Question # 16
The numerical value of Compton wavelength is equal to
Question # 17
Photodiode is used for wave nature of.
FSC Part 2 Physics Chapter 19 Online Test MCQ's
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Light of 4.5 eV is incident on a Cesium surface and stopping potential is 0.25 eV, maximum K.E. of emitted electron is. |
A. 4.5 eV
B. 4.25 eV
C. 4.75 eV
D. 0.25 eV
|
| 2 | Energy of Black body radiation depends upon |
A. Nature of surface of body
B. Nature of material of body
C. Shape and size of body
D. Temperature of the body
|
| 3 | The stopping potential for a certain metal is 10 volts. Thus work function for the cathode is. |
A. 10 J
B. 1.6 X 10-18 J
C. 1.6 X 10-19 J
D. 1.6 X 1030 J
|
| 4 | Pair production cannto take place in vacuum because : |
A. Mass in not conserved
B. Momentum is not conserved
C. Energy is not conserved
D. Charge is not conserved
|
| 5 | When a very high energy modeules such as y radiation interact with matter, the phenomenon arising will be. |
A. Photoelectric effect
B. Compton effect
C. Pair production
D. Annihilation of matter
|
| 6 | Using relativistic effects the location of an air craft after an hour fight can be predicated about |
A. 20 m
B. 50 m
C. 760 m
D. 780 m
|
| 7 | The existence of positron was discovered in: |
A. 1929
B. 1928
C. 1931
D. 1933
|
| 8 | Pair production occurs only when energy of photon is at least equal in: |
A. 1.02keV
B. 1.02 eV
C. 1.02 MeV
D. 1.02 GeV
|
| 9 | A positron is an anti particle of. |
A. Proton
B. Electron
C. Neutron
D. Photon
|
| 10 | Who explained the photo electric effect. |
A. Max Plank
B. Einstein
C. Henry
D. Rutherford
|
Test Questions