Nuclei

Related Questions

• Alpha rays emitted from a radioactive substance are

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• The mass of a neutron is the same as that of

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• At any instant the ratio of the amount of radioactive substances is 2 : 1. If their half lives be respectively 12 and 16 hours, then after two days, what will be the ratio of the substances

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• The half life of polonium is 140 days. After how many days, 16 gm polonium will be reduced to 1 gm (or 15g will decay)

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• A nucleus $_Z^AX$ emits an ?-particle. The resultant nucleus emits a ${\beta ^ + }$ particle. The respective atomic and mass no. of the final nucleus will be

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