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ICS Part 2 Physics
Chapter 21 Test
Start Chapter 21 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 21 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 21 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 21 Online MCQ's Test
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Question # 1
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?
Question # 2
The dead time of G.M tube is.
Question # 3
When a nucleus emits an alpha particle, its atomic mass decreases by
Question # 4
GM counter uses
Question # 5
The background radiation to which we are exposed, on the average is.
Question # 6
The charge on Beta particle is
Question # 7
Absorbed Dose 'D' is defined as
Question # 8
The most useful tracer is.
Question # 9
Half life of radon gas is
Question # 10
The most abundant isotope of neon is:
Question # 11
Unit of decay constantλ is:
Question # 12
Subatomic particles are divided into groups.
Question # 13
The mass spectrum of naturally occurring neon shows the most abundant isotope has atomic mass.
Question # 14
Before and after nuclear reaction the number of protons and neutrons:
Question # 15
1 amu is equal to
Question # 16
Which is true for both alpha particle and gama rays.
Question # 17
The SI unit of decay constant is
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ICS Part 2 Physics Chapter 21 Online Test MCQ's
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| Sr.# | Question | Answer |
|---|---|---|
| 1 | The reciprocal of decay construct lamda of a radioactive element is. |
A. Half life
B. Mean life
C. Curie
D. total life
|
| 2 | The early Greeks believed that matter waves was |
A. Discrete
B. Continuous
C. Both continuous and discrete
D. All of above
|
| 3 | The number of neutrons in Li are |
A. 2
B. 3
C. 4
D. 7
|
| 4 | Cobalt -60 is the source for |
A. Alpha rays
B. Gama rays
C. Beta rays
D. Neutron
|
| 5 | Marie Curie and Pierre Curie discovered. |
A. Uranium
B. Uranium and Radium
C. Polonium and radium
D. Radium
|
| 6 | Both Xenon and cesium have |
A. 33 isotopes
B. 34 Isotopes
C. 36 Isotopes
D. 35 Isotopes
|
| 7 | Bottom quark carries charge : |
A. 2/3 e
B. -2/3 e
C. +1/3 e
D. -1 /3 e
|
| 8 | The number of Neutron is 238U92is |
A. 92
B. 238
C. 146
D. 330
|
| 9 | A proton consists of quarks which are. |
A. Two up, one down
B. One up, two down
C. All up
D. All down
|
| 10 | Charge on an electron was determined by |
A. Ampere
B. Millikan
C. Maxwell
D. Bohr
|
| 11 | There is no charge in A and Z of any radioactive element by the emission of. |
A. Alpha particle
B. Beta particle
C. Gama particle
D. X- rays
|
| 12 | Alpha particle carries a charge. |
A. -e
B. +2e
C. -2e
D. No charge
|
| 13 | The Unit of decay constant. |
A. Second
B. (second)-1
C. m-1
D. mk
|
| 14 | The unit of radioactivity is: |
A. Bequerel
B. Henry
C. Pascal
D. Joule
|
| 15 | 1 gray is equal to. |
A. 1 JKg-1
B. 1KgJ-1
C. 1JKg
D. 1 JKg-2
|
| 16 | Mass equivalent of 931 MeV energy is: |
A. 6.02 x 10-23 kg
B. 1.766 x 10-27kg
C. 2.67 x 10-29kg
D. 6.02 x 10-87kg
|
| 17 | Those elements whose charge number z is greater then __________ are unstable: |
A. 80
B. 79
C. 82
D. 83
|
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