Advertisements
Advertisements
प्रश्न
A radioactive substance is oxidized. Will there be any change in the nature its radioactivity? Give a reason for your answer
Advertisements
उत्तर
There will be no change in the nature of radioactivity of the substance. This is because oxidation is a chemical process and does not involve the nucleus of the substance.
APPEARS IN
संबंधित प्रश्न
When does the nucleus of an atom tend to become radioactive?
A nucleus `""_11^24Na` emits a beta particle to change into Magnesium (Mg)
(i) Write the symbolic equation for the process.
(ii) What are numbers 24 and 11 called?
(iii) What is the general name of `""_12^24Mg `with respect to `""_11^24Na` ?
What do you mean by Atomic mass?
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.

A certain nucleus A (mass number 238 and atomic number 92) is radioactive and becomes a nucleus B (mass number 234 and atomic number 90) by the loss of one particle.
What particle was emitted?
What do you mean by electron emission?
In a cathode ray tube state the purpose of covering cathode by thorium and carbon.
State three ways of obtaining an electron-beam.
A radioctive sample decays `7/8` times its original quantity in 15 minutes. The half-life of the sample is ______.
