Advertisements
Advertisements
प्रश्न
Complete the following radioactive reaction:
\[\ce{^-_-X -> ^-_-Y + ^4_2He -> ^234_91Z + ^0_-1e}\]
उत्तर
\[\ce{^\underline{238}_\underline{92}X -> ^\underline{234}_\underline{90}Y + ^4_2He -> ^234_91Z + ^0_-1e}\]
APPEARS IN
संबंधित प्रश्न
When is said to be the nucleus unstable?
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.
A nucleus of an element X which has the symbol `""_84^202` X emits an alpha particle and then a beta particle. The final nucleus is `""_"b"^"a"` Y Find a and b.
Name two radioactive substances.
How is a cathode ray beam affected while passing through a magnetic field?
Why are materials of low work function preferred as thermionic cathode materials?
What are ‘Becquerel rays’?
Mention four properties of Becquerel rays.
