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Online Tests
Ics Part 2 Physics Chapter 8 Test Online MCQs With Answers
Question # 1
The most refined form of matter is:
Choose an answer
Smoke
Light
Ice
Fog
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Question # 2
Number of electros emitted in photo electric effect depend upon.
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Intensity of incident light
Frequency of incident light
Energy of incident light
Wavelength of incident of light
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Question # 3
Compton effect proves.
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Wave nature of radiation
Wave nature of particle
Dual nature of particle
Particle nature of radiations
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Question # 4
The existence of positron was discovered in:
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1929
1928
1931
1933
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Question # 5
Internal frame is a frame is which
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1st law holds
2nd law holds
3rd law holds
Kelvin's law holds
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Question # 6
Albert Einstein got noble prize for service in:
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Pair production
Annihilation of matter theory
Compton effect
Photoelectric effect
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Question # 7
When the K.E. of photoelectric is zero, the frequency of incident photon is.
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Less than
greater than
Equal to
Much greater
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Question # 8
When platinum is it becomes orange at.
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500
o
C
900
o
C
1100
o
C
1300
o
C
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Question # 9
Eintein's Photoelectric equation is E
k
= hf -∅ in this equation E
1
, refers to:
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K.E of al the emited electrons
Mean K.E of emited electrons
Maximum K.E of emited electrons
Minimum K.E of emited electrons
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Question # 10
If an object moves with speed of light, its mass will be.
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Zero
Maximum
Minimum
infinity
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Question # 11
When a very high energy modeules such as y radiation interact with matter, the phenomenon arising will be.
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Photoelectric effect
Compton effect
Pair production
Annihilation of matter
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