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प्रश्न
During the emission of a beta particle, the ______ number remains same.
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उत्तर
During the emission of a beta particle, the mass number remains same.
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संबंधित प्रश्न
An element `""_ZS^A` decays to `""_85R^222` after emitting 2 α particles and 1 β particle.
Find the atomic number and atomic mass of the element S.
Name the unit in which the work function of a metal is expressed.
State any two precautions to be taken while handling radioactive substances
State the penetrating range of α, β and γ radiations.
A radioactive source emits three types of radiations. Name them.
(i) Name the radiations which are charged.
(ii) Name the radiations which are most penetrating.
(iii) Name the radiations which travel with the speed of light.
(iv) Name the radiations which have the largest mass.
In following fig. shows a mixed source S of alpha and beta particles in a thick lead container. The particles pass through a magnetic field in a direction perpendicular to the plane of paper (inwards as shown by x). State and show in the diagram how the particles get affected.
State three safety precautions that you would take while handling the radioactive substances.
A certain nucleus has a mass number 20 and atomic number 9. Find the number of neutrons and protons present in it.
88Ra226 experiences three α - decay. Find the number of neutrons in the daughter element.
