Nuclei

Related Questions

• The mass defect in a particular nuclear reaction is 0.3 grams. The amount of energy liberated in kilowatt hours is (Velocity of light = $3 \times {10^8}\,m/s$)

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• If half life of radium is 77 days. Its decay constant in day will be

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• A nucleus with Z = 92 emits the following in a sequence: $\alpha ,\,{\beta ^ - },\,{\beta ^ - },\,\alpha ,\alpha ,\alpha ,\alpha ,\alpha ,{\beta ^ - },\,{\beta ^ - },\alpha ,\,{\beta ^ + },\,{\beta ^ + },\,\gamma$. The Z of the resulting nucleus is

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• The half-life of radium is about 1600 years. Of 100 g of radium existing now, 25 g will remain unchanged after

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• A radioactive substance emits

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