becoz diffrent radiations have diffrent penetrating power like gamma rays are the most penetrating wereas the alpha rays r the least penetrating
Filed Under: Philips Radiology Products
Filed Under: Philips Radiology Products
Filed Under: Philips Radiology Products
Filed Under: Philips Radiology Products
Filed Under: Philips Radiology Products
becoz diffrent radiations have diffrent penetrating power like gamma rays are the most penetrating wereas the alpha rays r the least penetrating
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