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प्रश्न
Write one use of cathode ray tube.
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उत्तर
A cathode ray tube is used to investigate the waveform of an unknown alternating potential by applying it on the Y-plates and a known periodic time-base potential on the X-plates
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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?
An electromagnetic radiation is used for photography in fog. [2]
(i) Identify the radiation.
(ii) Why is this radiation mentioned by you, ideal for this purpose ?
When is said to be the nucleus unstable?
Give a scientific explanation.
When the radiation coming out from a certain radioactive substance is passed through an electric field, marks are found at three places on the photographic plate placed in its path.
What happens to the atomic number of element when (i) An α -particle, (ii) A β -particle 1 and (iii) γ-radiation is emitted?
In the following fig. shows a radioactive source S in a thick lead container. The radiations pass through an electric field between the plates P and Q. Complete the diagram to show the paths of α , β and γ radiations.
Why is the source S placed in a thick lead container?
Name two radioactive substances.
Define bound electrons.
In a cathode ray tube state. How is it possible to increase the rate of emission of electrons.
Name the three main parts of a Cathode Ray Tube.
