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प्रश्न
How is a cathode ray beam affected while passing through a magnetic field?
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उत्तर
A cathode ray beam while passing through a magnetic field is deflected in a direction normal to both the direction of magnetic field and the direction of its travel, as given by Fleming’s left hand rule.
संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
State the energy conversion taking place in a cathode ray tube
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
What are the uses of radioactive isotopes in following?
(a) Medical field,
(b) Agriculture,
(c) Industries?
In a cathode ray tube state. How is it possible to increase the rate of emission of electrons.
Name a common device where a hot cathode ray tube is used.
An electrons emitter must have how much work function and melting point.
From α, β and γ-rays, name the one which travels with the speed of light?
Two radioactive sources A and B of half lives of 1 hour and 2 hours, respectively, initially contain the same number of radioactive atoms. At the end of two hours, their rates of disintegration are in the ratio of ______.
Which of the following correctly lists the three major types of radioactive decay found in nature?
