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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
An element `""_ZS^A` decays to `""_85R^222` after emitting 2 α particles and 1 β particle.
Find the atomic number and atomic mass of the element S.
In a cathode ray tube state:
(i) the purpose of covering cathode by thorium and carbon.
(ii) the purpose of the fluorescent screen.
(iii) how is it possible to increase the rate of emission of electrons.
When is said to be the nucleus unstable?
A radioactive nucleus `""_"Z"^"A"` X first emits a beta particle and then an alpha particle to give the resulting nucleus `""_"Q"^"P"` Y What will be the values of P and Q in terms of A and Z?
During the emission of a beta particle, the ______ number remains same.
How is a zinc sulphide screen affected when a cathode ray beam strikes it?
The mean lives of a radioactive substance are 1620 and 405 years for β-emission and β-emission respectively. The time after which three fourth of a sample will decay if it is decaying both by β-emission and β-emission simultaneously will be ______ years.
(Take ln 2 = 0.693)
In the discovery of radioactivity, why could the darkening of the covered photographic plate NOT be explained by ordinary visible light?
