Which of the following is correct regarding Alpha ,Beta and Gamma rays?

Alpha rays causes ionization of gases

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Gamma rays get deflected by electric feild and magnetic field

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Penetration power of beta rays is less than that of alpha rays.

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The energy of the beta particles is equal to each other when originate from same decay scheme

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Solution

The correct option is A Alpha rays causes ionization of gases
Alpha rays are positively charged Helium ions moving with high kinetic energy. When these ions collide with neutral gas atoms, they excite the gas atoms and so the electrons get knocked off the atoms. Thus the gaseous atoms become ionised.
Hence the statement in option A is correct.
Rest of the statements given in options B, C and D are incorrect.

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