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प्रश्न
A radioactive source emits three types of radiations.
Name the radiation which has the highest ionizing power.
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उत्तर
The radiation which has the highest ionizing power is α radiations.
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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube.
What will happen to the beam when it passes through the electric field?
Arrange α, β, and γ rays in ascending order with respect to their
1) Penetrating power.
2) Ionising power
3) Biological effect
An electromagnetic radiation is used for photography in fog. [2]
(i) Identify the radiation.
(ii) Why is this radiation mentioned by you, ideal for this purpose ?
State two properties that a substance should possess when used as a thermionic emitter.
How is a zinc sulphide screen affected when a cathode ray beam strikes it?
Name a common device where a hot cathode ray tube is used.
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
From α, β and γ-rays, name the one which is not affected by electric or magnetic field?
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
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 ______.
