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TARGET PUBLICATION-ATOMS, MOLECULES AND NUCLEI -Competitive Thinking
- The half-life of a radioactive substance is 30 minutes, The time (in m...
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- Half life of a radio-active substance is 20 minutes. The time between ...
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- Half-life of a radioactive substance A and B are, respectively, 20 min...
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- A sample contains 16 gm of radioactive material, the half-life of whic...
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- The half-life of tritium is 12.5 years. What mass of tritium of initia...
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- A radioactive sample of half life 10 days contains 1000X nuclei. Numbe...
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- A radioactive element has rate of disintegration 10,000 disintegrat...
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- A certain radioactive element disintegration with a decay constant of ...
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- A sample of a radioactive element has a mass of 10 g at an instant t=0...
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- If the half life of a radioactive nucleus is 3 days nearly, what fract...
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- In the given nuclear reaction A, B, C, D, E represents .92 U^238 rarr^...
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- A radioactive element X disintegrates successively Xoverset(beta^(-)...
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- In the decay series .(92)U^(238) to .(82)Pb^(206), how many alpha-pari...
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- A radioactive element .90 X^238 decay into .83 Y^222. The number of be...
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- Two radioactive substances X and Y initially contain an equal number o...
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- The de Broglie wavelength lambda of a particle
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- The de-Broglie wavelength of an electron in 4th orbit is (where, r=rad...
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- A body of mass 100g moves at the speed of 36 km/hr. The de Broglie wav...
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- The de - Broglie wavelength of a neutron at 27 ^(@) C is lambda. What ...
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