Advertisements
Advertisements
प्रश्न
Give the relative ionizing power of α, β and γ radiations.
Advertisements
उत्तर
Ionisation power of a particle is maximum. It is about 100 times more than that of β particles. Ionisation power of β particle is about 100 times more than that of γ radiations. γ radiations have least ionisation power.
APPEARS IN
संबंधित प्रश्न
When is said to be the nucleus unstable?
In following fig. shows a mixed source S of alpha and beta particles in a thick lead container. The particles pass through a magnetic field in a direction perpendicular to the plane of paper (inwards as shown by x). State and show in the diagram how the particles get affected.
Draw a diagram of a simple atom showing the nucleus and electrons. In this atom:
(a) What type of charge will there be on the nucleus?
(b) What is the value of this charge?
During the emission of a beta particle, the ______ number remains same.
Why should a radioactive substance not be touched by hands?
Why are materials of low work function preferred as thermionic cathode materials?
State three common properties of beta rays and cathode rays.
Which part of the atom undergoes a change in the process of radioactive decay?
Which of the following statements is/are correct?
- α particles are photons
- Penetrating power of γ radiation is very low
- Ionization power is maximum for α rays
- Penetrating power of γ radiation is very high
