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Online Tests
Ics Part 2 Physics Chapter 10 Test Online MCQs With Answers
Question # 1
Half life of radon gas is
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3.8 minutes
3.8 days
3.8 months
3.8 years
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Question # 2
Energy released by conversion of 1 amu is
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200 MeV
931 MeV
233 MeV
243 MeV
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Question # 3
Materials can be identified by measuring their
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Mass
Half life
Both a and b
None of a,b,c
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Question # 4
A particles equal or greater in mass than of protons are called.
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Baryons
Leptons
Mesons
Quarks
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Question # 5
The mass spectrum of naturally occurring neon, showing
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1 isotope
2 isotope
3 isotope
4 isotope
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Question # 6
Before and after nuclear reaction the number of protons and neutrons:
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Must be different
Must be decreased
Must be increased
Remains same
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Question # 7
Marie Curie and Pierre Curie discovered.
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Uranium
Uranium and Radium
Polonium and radium
Radium
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Question # 8
The scientist who suggested the presence of neutron was:
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Bohr
Rutherford
Chadwick
J.J Thomson
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Question # 9
Both xenon and caesium each have:
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41 isotopes
36 isotopes
43 isotopes
33 isotopes
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Question # 10
I amu =
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9.31 MeV
931 MeV
9.031 MeV
None of above
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Question # 11
Hydrogen bomb is an example of.
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Nuclear fission
Nuclear fusion
Chain reaction
Chemical reaction
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Question # 12
The half life of radioactive elements depends upon
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Temperature
Nature of element
Amount of the radioactive substance
Pressure
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Question # 13
Binding energy per nucleon is maximum for
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Platinum
Iron
Uranium
Lead
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Question # 14
Nuclear fission chain reaction is controlled by using.
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Cadmium rods
Iron rods
Platinum rods
Steel rods
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Question # 15
The Unit of decay constant.
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Second
(second)-1
m-1
mk
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Question # 16
The bnding energy for nucleus A is 7.7 Me V and that for nucleus B is 7.8 MeV. Which nucleus has the larger mass?
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Nucleas A
Nucleus B
Less than nucleus
None of these
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Question # 17
The particles equal in mass but greater than proton are.
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Mesons
Baryons
Leptons
Hadrons
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Question # 18
What is difference is isotopes
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Number of protons
Number of neutrons
Number of electrons
Charge number
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