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BANSAL-RADIO ACTIVITY-Exercise-3
- True or False Statements : A fraction f(1) of a radioactive sample...
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- True or False Statements : In a radioactive element the fraction of...
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- True or False Statements : Half-life period of a radioactive substa...
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- True or False Statements : The S.I. unit of activity is Curie (Ci).
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- True or False Statements : 90% of a radioactive sample is left undec...
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- Half-life for certain radioactive element is 5 min. Four nuclei of tha...
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- True or False Statements : 5 alpha and 4 beta^(-) are emitted during...
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- True or False Statements : The ratio t(1//2) //t(7//8) for a first o...
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- Classify each of the following nuclides as either "beta(.(-1)^(0)beta)...
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- Which of the following are radioacitve? a. .(48)Cd^(114) b. .(49)...
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- Consider the following nuclear reactions : I .(7)^(14)N+.(2)^(4)Hera...
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- The activity of the radioactive sample drops to (1/64)^(th) of its o...
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- The half life period of .(53)I^(125) is 60 days. What % of radioactivi...
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- At any given time a piece of radioactive material (t(1//2)=30 days) c...
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- An isotope of Potassium .(19)^(40) K has a half life of 1.4 xx 10^(9...
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- At a given instant there are 25% undecayed radioactive nuclei in a s...
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- Calculate the energy released in joules and MeV in the following nucle...
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- A sample of U^(238) ("half life" = 4.5 xx 10^(9)yr) ore is found to co...
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- Calculate the age of a vegetarian beverage whose tritium content is on...
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- Ac^(227) has a half life of 22 year . The decay follows two parallel p...
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