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NIKITA PUBLICATION-ATOMS, MOLECULES AND NUCLEI-MCQs
- The phenomenon of radioactivity was discovered by
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- Which of the following metals was discovered by Madam Curie?
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- Radioactive samples are stored in lead boxes because it is
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- the process of radioactive radiations remains unaffected due to
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- Which of the following are positively charged particles?
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- The alpha particle is same as
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- The mass of an alpha-particle is.
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- To produce intense ionisation, in air at S.T.P., we have to use
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- The penetrating power of alpha-particle is
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- The velocity of alpha-particles is of the order of
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