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General
Easy
Question
In the above radioactive decay C is stable nucleus. Then:
- rate of decay of A will first increase and then decrease
- number of nuclei of B will first increase and then decrease
- if , then activity of B will always be higher than activity of A
- if , then number of nucleus of C will always be less than number of nucleus of B.
The correct answer is: number of nuclei of B will first increase and then decrease
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Protons and singly ionized atoms of are passed in turn (which means one after the other and not at the same time) through a velocity selector and then enter a uniform magnetic field. The protons describe semicircles of radius 10 mm. The separation between the ions of and after describing semicircle is given by
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