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1 W ilalltavy dull CITD IV 4. A radioact...

1 W ilalltavy dull CITD IV 4. A radioactive material has mean lives of 1620 year and 520 years decay by simultaneous a and ß emission. The time in aneous a and ß emission. The time in which 1/4th of the material remains intact is: (A) 4675 years (B) 720 years ru (C) 648 years (D) 324 years INA ACADEMY DARSANA ACADEMY DARSANA ACADEMY DARSANA ACADEMY DARSANA ACADEMY DARSANA ACHYNY DARSAN MY DARSANA ACADEMY DARSANA ACADEMY DARSANA ACADEMY DARSANA ACADEMY DARSANA ACADEMY DARSANA ACADEMY DARSANA ACADEMY DARSANA ACADEMY DARSANA ACADEMY tres Kottayam, Thiruvalla. Kattappana, Cherthala. Adoor, Pathanamthitta Helpline : 8547673001 - 10 manandam.com Diligence for Excellence

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