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Write a short note on plancks quantum th...

Write a short note on plancks quantum theory.

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V PUBLICATION-STRUCTURE OF ATOM-QUESTION BANK
  1. The photoelectric effect was first observed by H.Hertz. What is pho...

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  2. What is the difference between emission spectra and absorption spectra...

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  3. Write a short note on plancks quantum theory.

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  4. Does the angular momentum of an electron in an atom depend on the prin...

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  5. Discuss the similarities and differences between a '1s' and a '2s' orb...

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  6. Choose the electronic configurations that are possible from among the ...

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  7. What extraordinary assumption was made by Einstein while explaining th...

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  8. Which experiment led to the discovery of neutrons?

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  9. J.J.Thomson proposed his atom model in 1898. a)Explain Thomson's mode...

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  10. Four imporfant properties of cathode rays

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  11. Explain why atoms with half filled and completely filled orbitals have...

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  12. Consider the following configuration. I . '1 s^2 2s^1' II . '1 s^2 ...

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  13. What experimental evidence requires that the emission of energy by an ...

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  14. What will be the maximum number of electrons of same spin present in a...

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  15. Calculate the wave length of an electron that has been accelerated in ...

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  16. The quantized energy of an electron in hydrogen atom for the n^(th) it...

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  17. The sodium flame test has a characteristic yellow colour due to emissi...

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  18. The ionisation energy of sodium is '494.7 kJ' mol '^(-1)'. Calculate t...

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  19. An electron is moving with kinetic energy of '2.275 xx 10^(-25) J .' C...

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  20. What is the wavelength of an electron if its kinetic energy is '4.55 x...

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