Advertisements
Advertisements
प्रश्न
A radioactive source emits three types of radiations.
Name the radiation which has the highest ionizing power.
Advertisements
उत्तर
The radiation which has the highest ionizing power is α radiations.
APPEARS IN
संबंधित प्रश्न
What is thermionic emission?
Radiations given out from a source when subjected to an electric field in a direction perpendicular to their path are shown below in the diagram. The arrows show the path of the radiation A, B and C. Answer the following questions in terms of A, B and C.

1) Name the radiation B which is unaffected by the electrostatic field.
2) Why does the radiation C deflect more than A?
3) Which among the three causes the least biological damage externally.
4) Name the radiation which is used in carbon dating.
Give a scientific explanation.
When the radiation coming out from a certain radioactive substance is passed through an electric field, marks are found at three places on the photographic plate placed in its path.
State any two uses of cathode rays.
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 travels with the speed of light?
What is the value of the speed of gamma radiations in air or vacuum?
Mention four properties of Becquerel rays.
Two radioactive sources A and B of half lives of 1 hour and 2 hours, respectively, initially contain the same number of radioactive atoms. At the end of two hours, their rates of disintegration are in the ratio of ______.
A radioactive element is placed in an evacuated chamber. Then the rate of radioactive decay will ______.
