Advertisements
Advertisements
Question
What are ‘Becquerel rays’?
Advertisements
Solution
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’.
RELATED QUESTIONS
When does the nucleus of an atom tend to become radioactive?
Name the radiations which are absorbed by greenhouse gases in the earth’s atmosphere.
A radiation X is focused by a particular device on the bulb of a thermometer and mercury in the thermometer shows a rapid increase. Name the radiation X
What are isobars?
An element P disintegrates by α - -emission and the new element suffers two further disintegrations, both by β -emission, to form an element Q. Explain the fact that P and Q are the isotopes.
State two properties that a substance should possess when used as a thermionic emitter.
How is a cathode ray beam affected while passing through a magnetic field?
From α, β and γ-rays, name the one which travels with the speed of light?
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 ______.
Assertion (A): The force of repulsion between atomic nucleus and α-particle varies with distance according to inverse square law.
Reason (R): Rutherford did α-particles scattering experiment.
