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प्रश्न
Complete the diagram as given above by drawing the deflection of radioactive radiations in an electric field
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उत्तर
Deflection of radioactive radiations α, β, and γ in an electric field is as shown below:
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संबंधित प्रश्न
What are free electrons?
What happens to the mass number of an element when (i) an α -particle, (ii) a β -particle, and (iii) γ -radiation is emitted?
Draw a diagram of a simple atom showing the nucleus and electrons. In this atom:
(a) What type of charge will there be on the nucleus?
(b) What is the value of this charge?
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.
In a cathode ray tube state the purpose of covering cathode by thorium and carbon.
A certain nucleus has a mass number 20 and atomic number 9. Find the number of neutrons and protons present in it.
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
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be ______.
When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus of charge Ze, its distance of closest approach from the nucleus depends on m as:
