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(13)Whenthe radiation coming out from certainradioactive substance is passed through anelectric field, marks are found at three placeson the photographic plate placed in its path.(iv) |
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Answer» Because the radiation coming from the nuclear substance consists of alpha rays beta rays and gamma rays alpha rays are positively charged therefore they deflect towards the negatively charged Cathode..Beta rays are negatively charged and therefore moves towards the positively charged anode.And Gamma rays are electrically neutral therefore they are not deflected by the electric field..Therefore a single ray coming from the nuclear substance gets divided into three rays and strike the photographic plate at three places.. |
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