Advertisements
Advertisements
प्रश्न
Name the three main parts of a Cathode Ray Tube.
Advertisements
उत्तर
The three main parts of a cathode ray tube are
(i) Electron gun,
(ii) Deflecting system,
(iii) Flourescent screen.
संबंधित प्रश्न
What is thermionic emission?
State the penetrating range of α, β and γ radiations.
State three safety precautions that you would take while handling the radioactive substances.
State two properties that a substance should possess when used as a thermionic emitter.
What are cathode rays? Why are they called ‘cathode rays’? Name a material which exhibits fluorescence when cathode rays fall on it.
What do you understand by the term radioactivity?
What are ‘Becquerel rays’?
An electrons emitter must have how much work function and melting point.
Which part of the atom undergoes a change in the process of radioactive decay?
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)
