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प्रश्न
What do you mean by Atomic mass?
What is the atomic mass of an element?
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उत्तर
Atomic mass of an element is the relative mass of its atom as compared to the mass of carbon atom taken as 12.
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?
During the emission of a beta particle, the ______ number remains same.
How is a cathode ray beam affected while passing through a magnetic field?
How is a cathode ray beam affected while passing through an electric field?
In a cathode ray tube state. How is it possible to increase the rate of emission of electrons.
What is the value of the speed of gamma radiations in air or vacuum?
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
It is advised not to touch a radioactive substance by hand. Give reason.
Heavy radioactive elements eventually turn into ______.
If 10% of a radioactive substance decays in every 5 years, then the percentage of the substance that will have decayed in 20 years will be ______.
