Advertisements
Advertisements
प्रश्न
Mention four properties of Becquerel rays.
Advertisements
उत्तर
The four properties of Becqueral rays are:
(i) They have penetrating power.
(ii) They affect a photographic plate.
(iii) They can ionize a gas or air through which they pass.
(iv) They are deflected by electric and magnetic fields.
APPEARS IN
संबंधित प्रश्न
In a cathode ray tube, what is the function of anode?
What is thermionic emission?
What kind of change takes place in a nucleus when a β -particle is emitted?
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?
What are the uses of radioactive isotopes in following?
(a) Medical field,
(b) Agriculture,
(c) Industries?
Which part of the atom undergoes a change in the process of radioactive decay?
It is advised not to touch a radioactive substance by hand. Give reason.
The activity of a certain radionuclide decreases to 15 percent of its original value in 10 days. What is its half life?
[ln (0.15) = -1.9]
Complete the following radioactive reaction:
\[\ce{^-_-X -> ^-_-Y + ^4_2He -> ^234_91Z + ^0_-1e}\]
