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प्रश्न
From α, β and γ-rays, name the one which travels with the speed of light?
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उत्तर
γ-rays travel with the speed of light.
संबंधित प्रश्न
A nucleus `""_11^24Na` emits a beta particle to change into Magnesium (Mg)
(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` ?
Radiations given out from a source when subjected to an electric field in a direction perpendicular to their path are shown below in the diagram. The arrows show the path of the radiation A, B and C. Answer the following questions in terms of A, B and C.

1) Name the radiation B which is unaffected by the electrostatic field.
2) Why does the radiation C deflect more than A?
3) Which among the three causes the least biological damage externally.
4) Name the radiation which is used in carbon dating.
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?
A nucleus of an element X which has the symbol `""_84^202` X emits an alpha particle and then a beta particle. The final nucleus is `""_"b"^"a"` Y Find a and b.
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.
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
Mention one important function of ear main parts:
State the principle on which the functioning of a nuclear reactor is based.
A radioctive sample decays `7/8` times its original quantity in 15 minutes. The half-life of the sample is ______.
Why do the nuclei of some atoms undergo radioactive decay?
