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प्रश्न
From α, β and γ-rays, name the one which travels with the speed of light?
उत्तर
γ-rays travel with the speed of light.
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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube
Name the charged particles
Write one use of cathode ray tube.
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(i) Write the symbolic equation for the process.
(ii) What are numbers 24 and 11 called?
(iii) What is the general name of `""_12^24Mg `with respect to `""_11^24Na` ?
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(i) Identify the radiation.
(ii) Why is this radiation mentioned by you, ideal for this purpose ?
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Define bound electrons.
Why are materials of low work function preferred as thermionic cathode materials?
Which part of the atom undergoes a change in the process of radioactive decay?
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
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 ______.
