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प्रश्न
State the energy conversion taking place in a cathode ray tube
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उत्तर
In a cathode ray tube, electrical energy is converted to light energy.
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संबंधित प्रश्न
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
A radioactive source emits three types of radiations.
Name the radiation which has the highest ionizing power.
What happens to the position of an element in the periodic table when it emits an alpha particle
Why should a radioactive substance not be touched by hands?
What do you mean by electron emission?
A certain nucleus has a mass number 20 and atomic number 9. Find the number of neutrons and protons present in it.
State three common properties of beta rays and cathode rays.
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be ______.
The count rate of activity of a radioactive sample of a very large population decreased from 1024 to 128 in 3 minutes. Then the rate of disintegration at the end of 5 minutes is ______.
Assertion (A): Hydrogen atom consists of only one electron but its emission spectrum has may lines.
Reason (R): Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.
