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If the number of nuclei in a radioactive...

If the number of nuclei in a radioactive sample at a given time is N, what will be the number at the end of two half-lives?

A

`N/2`

B

`N/T`

C

3N

D

`n//8`

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CHETANA PUBLICATION-Structure of atoms and nuclei-EXERCISE
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  2. In Davission and Germer experiment, crystal used to produce scattering...

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  3. Geiger - Marsden's experiment confirmed the theoretical predictions of...

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  4. In the spectrum of hydrogen atom which transition will yield shortest ...

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  5. If the number of nuclei in a radioactive sample at a given time is N, ...

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  6. If the number of nuclei in a radioactive sample at a given time is N, ...

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  7. Energy of the electron in n = oo is

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  8. Which of the two has greater ionizing power, alpha or beta particle?

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  9. What is the relation between the radius of the nucleus and the mass nu...

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  10. State the name of the visible series in hydrogen spectrum?

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  11. Find the shortest wavelength of the Paschen series, given that the lon...

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  12. Find the energy of the electron in eV in the third Bohr orbit of the h...

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  13. The velocity of the electron in the 1st Bohr orbit has a radius 0.53 A...

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  14. How many spectral series are possible in the hydrogen spectrum?

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  15. State the properties of beta -particles?

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  16. What are isobars? State an example

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  17. State the law of radioactive decay. Hence derive the expression N = N0...

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  18. Find the shortest wavelength of the Paschen series, given that the lon...

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  19. Derive an expression for the total energy of an electron in the nth or...

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  20. Derive an expression N = N(0) e^(-lambda t) in Radioactivity

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