Physics MCQs

Page No. 41

Which one of the following radiation possesses maximum penetrating power ?


aX-rays


b B-rays


c γ-rays


dAll have the equal penetrating powe


View Answer γ-rays

Neutron and proton are commonly known as______________?


aNucleon


bMeson


cBoson


d Quartz


View Answer Nucleon

Antimatter consists of ______________?


aAntiproton


bAntineutron


cPositron


dAll of above


View Answer All of above

For chain reaction to build up the size of the radioactive target should be______________?


aGreater than the critical size


bLess than the critical size


cEqual to the critical size


d All of above can build up a change reaction



One AMU is equal to__________________?


a1.66 x 10-27kg


b166 x 10-15ng


c166 x 10-20g


dAll of above


View Answer All of above

During fusion of hydrogen into helium________________?


aEnergy is absorbed


bEnergy is released


c Mass is increased due to energy absorption


dMass is reduced due to the energy released


View Answer Energy is released

In the nucleus of uranium, the number of neutrons will be _____________?


a92


b235


c143


dDifferent for different isotopes



According to which one of following law the density of atom is uniform ?


aJ.J.Thomson model


bRutherfords model


cBohrs model


dAll of the above laws contradict the statement


View Answer J.J.Thomson model

Which one is not a type of dynamic equilibrium ?


aRotational equilibrium


bTranslational equilibrium


cStatic equilibrium


dBoth A and C are corret answer


View Answer Static equilibrium

A body will be in complete equilibrium when it is satisfying______________?


a1st condition of equilibrium


b2nd condition of equilibrium


cBoth Ist and 2nd condition of equilibrium


d Impossible



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