Advertisements
Advertisements
Question
Advertisements
Solution
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
RELATED QUESTIONS
Why is a cathode ray tube evacuated to a low pressure?
What do you mean by Atomic number
A radioactive substance is oxidized. What changes would you expect to take place in the nature of radioactivity? Explain your answer.
State any two uses of cathode rays.
How is a cathode ray tube used to convert an electrical signal into a visual signal?
Which part of the atom undergoes a change in the process of radioactive decay?
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
A radioactive material decays by simultaneous emissions of two particles with half-lives of 1400 years and 700 years respectively. What will be the time after which one-third of the material remains? (Take In3 = 1.1)
Assertion (A): The force of repulsion between atomic nucleus and α-particle varies with distance according to inverse square law.
Reason (R): Rutherford did α-particles scattering experiment.
