Question : According to Rutherford the size of the nucleus is of order of
Correct Answer: B
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Question : In discovery of nucleus Rutherford bombarded a thin gold foil with fast moving
Correct Answer: C
Question : If 15/16 of the radioactive atoms of an element decays in 8 min what will be its half-life?
Question : After alpha decay the atomic number of the atom
Question : The half-life of radium is 1600 years. What is the fraction of radium sample that would survive after 6400 years?
Correct Answer: D
Question : The tumors are irradiated by
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