12th Physics Unit 21 Nuclear Physics Past Papers MCQs

12th Physics Unit 21

12th Physics unit 21 Nuclear Physics chapter wise past papers. MCQs from previous Board papers of 2014-2018. All MCQs are given with answer keys.

12th Physics Unit 21 Nuclear Physics:

Here is pdf file preview of 2nd year Physics Chapter 21 past papers MCQs.

Fsc Part 2 Physics Chapter 21 MCQs:

Gamma rays from cobalt-60 are used for treatment of:
(RWP. GI, 2015)
(A) Circulation of blood
(B) Cancer
(C) Heart Attack
(D) Thyroid glands

When y-rays are emitter the nuclear mass: (RWP. GI, 2016)
(A) Decreases by 4 units
(B) Does not change
(C) Increases by 2 units
(D) Increases by 1 unit

The element formed by radioactive decay is called: (RWP. GI, 2017)
(A) Father element
(B) Mother element
(C) Parent element
(D) Daughter element

The most useful tracer is: (DGK. GI, 2014)
(A) Strontium -90
(B) lodine-31
(C) Cobalt-60
(D) Carbon-14

In Beta-decay reaction takes place: (MLN. GII, 2017)
(A) ;n → H+
(B) Hn+e (C) nH+ e
Dn → H+

Marie Curie and Pierre Curie discovered: (GRW. GI, 2017)
(A) Uranium
(B) Uranium and radium
C) Polonium and radium
(D) Radium

Thyroid cancer is cured by: (SWL. GI, SGD. GII, 2016) (SGD. GII, 2017)
(A) Iodine-131
(B) Sodium-24
(C) Cesium-137
(D) Carbon-14

Half life of radon gas is: (DGK. GI, 2015) (LHR. GI, 2018)
(A) 3.8 minutes
(B) 3.8 days
(C) 3.8 months
(D) 3.8 years

Materials can be identified by measuring their: (LHR. GI, 2014)
(A) Mass
(B) Half life
(C) Both a,b
(D) None of a.b.c

Mass of meson is: (LHR. GII, 2014)
(A) Greater them proton
(B) Less than a proton
(C) Equal to proton
(D) Equal to neutron

2nd Year Physics Chapter Wise Past Papers MCQs:

Which one belongs to lepton’s group? (LHR. GI, 2014)
(A) Electron
(B) Muons
(C) Neutrions
(D) All of these

Half life and decay constant are related as. (LHR. GII, 2014)
(A)= 0.6932
(C) 2=
(D) 2

Half life of U-238 is: (MLN. GII, 2015)
(B) 3.510′ years (C) 4.510’years
(D) 5.5*10’years

A pair of quark and quit quack makes a (BWP. GI, 2018)
A Mesons
(B) Harden
(C) Lepton
(D) Baryon

The particles equal in mass but greater than proton are: (RWP. GI, 2014)
(MLN. GII, 2017)
(A) Mesons
(B) Baryons
(C) Leptons
(D) Hadrons

Half life of Uranium-239 is: (MLN. GII, 2015)
(A) 26.5 minutes
(B) 24.5 minutes
(C) 25.5 minutes
(D) 23.5 minutes

A proton consists of quacks which are
(GRW.GI, 2014) (GRW. GII, 2015) (SWL 2018)
(A) Two up, one down
(B) On up, two down
(C) All up
(D) All down

Electron is: (MLN. GII, 2015)
(A) Hadrons
(B) Leptons
(C) Quarks
(D) Baryons

Useful Links Fsc Physics:

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