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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube.
What will happen to the beam when it passes through the electric field?
A radioactive substance is oxidized. Will there be any change in the nature its radioactivity? Give a reason for your answer
A nucleus `""_11^24Na` emits a beta particle to change into Magnesium (Mg)
(i) Write the symbolic equation for the process.
(ii) What are numbers 24 and 11 called?
(iii) What is the general name of `""_12^24Mg `with respect to `""_11^24Na` ?
What do you mean by Mass number.
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?
What happens to the position of an element in the periodic table when it emits an alpha particle
A nucleus is \[\ce{^24_11 Na}\] β-radioactive.
Write the equation represent β-decay.
How is a cathode ray beam affected while passing through an electric field?
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
Unit of radioactivity is _______
