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MOTION-RADIOACTIVITY -EXERCISE - 4 LEVEL - II
- Complete and balance the following reactions. (i) ""(92)Th^(234) rar...
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- Some laws/processes are given in column-I. Match these with the physic...
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- Half–life of a radioactive substance A is 4 days. The probability that...
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- Carbon 14 is used to determine the age of organic material. The proced...
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- Carbon 14 is used to determine the age of organic material. The procer...
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- Carbon 14 is used to determine the age of organic material. The proced...
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- A positron is emitted from .(11)Na^(23) . The ratio of the atomic mass...
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- A positron is emitted from .(11)Na^(23) . The ratio of the atomic mass...
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- A radioactive sample S1 having an activity of 5muCi has twice the numb...
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- The total number of alphaandbeta particles emitted in the nuclear reac...
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- The numberr of neutrons emitted when ""(92)""^(235)U undergoes control...
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- Bombardment of aluminium by alpha-"particle" leads to its artificial d...
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- Two radioactive nuclides A and B have half-lives 50 min and 10 min res...
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- Loss of beta-particles is equivalent to
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- A freshly prepared sample of a radioisotope of half - life 1386 s has...
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- Match List I of the nuclear processes with List II containing parent n...
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- In the nuclear transmutation : .(4)^(9) Be + X rarr (4) ^(8) Be +Y ...
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- A closed vessel with rigid walls contains 1 mole of .(92)^(238)U and 1...
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- A plot of the number of neutrons (n) against the number of protons (p...
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