Advertisements
Advertisements
प्रश्न
From α, β and γ-rays, name the one which travels with the speed of light?
Advertisements
उत्तर
γ-rays travel with the speed of light.
संबंधित प्रश्न
What is meant by radioactivity?
What do you mean by Mass number.
An element P disintegrates by α - -emission and the new element suffers two further disintegrations, both by β -emission, to form an element Q. Explain the fact that P and Q are the isotopes.
What do you mean by electron emission?
What are cathode rays? Why are they called ‘cathode rays’? Name a material which exhibits fluorescence when cathode rays fall on it.
Name the three main parts of a Cathode Ray Tube.
Name the Different Radiations Which Are Emitted by the Radioactive Substances.
Are all the radiations mentioned by you, emitted in a single radioactive decay?
Mention four properties of Becquerel rays.
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)
In the following atoms, which one is a radioisotope? Give one use of this isotope.
O16, C14, N14, He4
