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प्रश्न
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उत्तर
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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
What is thermionic emission?
What do you mean by Atomic number
State the penetrating range of α, β and γ radiations.
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?
State two characteristics of the substance used as thermionic emitter.
The activity of a certain radionuclide decreases to 15 percent of its original value in 10 days. What is its half life?
[ln (0.15) = -1.9]
A deuteron strikes 8O16 nucleus with subsequent emission of an alpha particle. Identify the nucleus so produced:
