Advertisements
Advertisements
प्रश्न
What are the types of emission?
Advertisements
उत्तर
There are four types of emissions:
(i) Thermionic emission. (ii) Photoelectric emission.
(iii) Field emission. (iv) Secondary emission.
संबंधित प्रश्न
A radiation X is focused by a particular device on the bulb of a thermometer and mercury in the thermometer shows a rapid increase. Name the radiation X
What is thermionic emission?
A radioactive nucleus `""_"Z"^"A"` X first emits a beta particle and then an alpha particle to give the resulting nucleus `""_"Q"^"P"` Y What will be the values of P and Q in terms of A and Z?
Why should a radioactive substance not be touched by hands?
What do you understand by the term radioactivity?
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
A certain nucleus has a mass number 20 and atomic number 9. Find the number of neutrons and protons present in it.
Mention four properties of Becquerel rays.
Mention one important function of ear main parts:
State the principle on which the functioning of a nuclear reactor is based.
Which statement about gamma decay is correct?
