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प्रश्न
What are ‘Becquerel rays’?
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उत्तर
Becquerel rays are ‘radioactive radiations’, emitted from radioactive substances like uranium, thorium etc. Since these radiations were discovered by Henry Becquerel, so they are named as ‘Becquerel rays’.
संबंधित प्रश्न
When does the nucleus of an atom tend to become radioactive?
Write one use of cathode ray tube.
Under which conditions does the nucleus of an atom tend to radioactive?
State any two precautions to be taken while handling radioactive substances
Give the relative ionizing power of α, β and γ radiations.
What kind of change takes place in a nucleus when a β -particle is emitted?
What do you mean by electron emission?
Mention four properties of Becquerel rays.
Two radioactive materials A and B have decay constants 25λ and 16λ respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of B to that of A will be "e" after a time `1/("a"lambda)` The value of a ______.
