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प्रश्न
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z - 2}X + ^4_{2}He}\]
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उत्तर
This reaction is not allowed because even though charge (atomic number) is conserved in it, the mass number [= A on the L H.S. and equal to (A + 4)] on the R.H.S. is not conserved.
संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube
Name the charged particles
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
Explain the use of radioactive in the field of medicine, agriculture and industry.
A radioactive source emits three types of radiations.
Name the radiation which has the highest ionizing power.
A nucleus is \[\ce{^24_11 Na}\] β-radioactive.
Write the equation represent β-decay.
State two characteristics of the substance used as thermionic emitter.
Why are materials of low work function preferred as thermionic cathode materials?
How is a cathode ray tube used to convert an electrical signal into a visual signal?
What are ‘Becquerel rays’?
