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P BAHADUR-RADIO ACTIVITY-Exercies 9
- How much energyh must a gamma- ray photon have to produce and anti-pro...
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- The sun radiates energy at the rate of 4xx10^(26) joule sec^(-1). If t...
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- Calcualte the energy released (in joule and MeV) in the follwing nulce...
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- Consider an alpha- particle just in contact with a .(92)U^(238) nucle...
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- Natural nitrogen atoms has found to exist in two isotopic forms, .(7)N...
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- .(92)U^(238) is a neutral alpha- emitter. After alpha- emission, the r...
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- How much heat would be developed per hour form 1 curie of C^(14) sourc...
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- In a nuclear reactor, U^(235) undergoes fission libertaing 200 MeV of...
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- alpha- particles of 6 MeV energy is scattered back form a silver foil....
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- The activity of a radioactive isotope falls to 12.5% in 90 days. Compu...
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- A mixture is to eb anlysed for penicllin. You add 10.0 mg fo penicllin...
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- An archeological speciment containing .^(14)C gives 40 counts in 5 min...
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- Upon irradiating californium with neutrons, a scientist discovered a n...
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- Equal masses of two samples of charcoal A and B are burnt separately ...
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- One gram of .(79)Au^(198) (t(1//2) = 65hr) decays by beta- emission to...
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- 1g Ra^(226) is placed in an evacused tube whose volume is 5 cc, Assumi...
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- The activity of the hair of an egyptain mummy is 7 disinetgration "mi...
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- The decay constant for an alpha- decay of Th^(232) is 1.58xx10^(-10) s...
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- Two reacants A and B are present such that [A(0)] = 4[B(0)] and t(1//2...
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- Two ratio-isotopes P and Q atomic weight 100 and 200 respectively are ...
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