Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Atom consists of three elementary particles, neutrons, protons and electrons. Neutron and protons form the central part of atom called nucleus where electrons revolve around this central part in orbits called electronic orbits.
APPEARS IN
संबंधित प्रश्न
State the energy conversion taking place in a cathode ray tube
Under which conditions does the nucleus of an atom tend to radioactive?
Complete the diagram as given above by drawing the deflection of radioactive radiations in an electric field
What do you mean by Mass number.
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?
In a cathode ray tube state. How is it possible to increase the rate of emission of electrons.
Name the Different Radiations Which Are Emitted by the Radioactive Substances.
Are all the radiations mentioned by you, emitted in a single radioactive decay?
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z + 1}Y + ^0_{-1}β}\]
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
