A radioactive substance of half-life 6 m...

A radioactive substance of half-life 6 minutes is placed near a Geiger counter which is found to register 1024 particles per minute. How many particles per minute will it register after 42 minutes?

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एक रेडियोधर्मिक पदार्थ की किसी क्षण विघटन दन 4750 विघन प्रति मिनट है ।...
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एक रेडियोएक्टिव पदार्थ कि विधटन दर 6 घण्टे में 800 विघटन प्रति मिनट से...
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किसी रेडयोएक्टिवे पदार्थ की अर्द्ध - आयु 30 मिनट है इसी रेडियोएक्टिव ...
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