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What is the number of photons of light w...

What is the number of photons of light with a wavelength of 4000 pm that provide 1 J energy?

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V PUBLICATION-STRUCTURE OF ATOM-QUESTION BANK
  1. Find energy of each of the photons which i. corresponds to light of f...

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  2. Calculate the wavelength, frequency and wave riumber of a light wave w...

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  3. What is the number of photons of light with a wavelength of 4000 pm th...

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  4. A photon of wavelength '4 xx 10^(-7) m' strikes on metal surface, the ...

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  5. Electromagnetic radiation of wavelength 242 nm is just sufficient to i...

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  6. A 25 watt bulb emits monochromatic yellow light of wavelength of '0.57...

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  7. Electrons are emitted with zero velocity from a metal surface when it ...

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  8. What is the wavelength of light emitted when the electron in a hydroge...

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  9. How much energy is réquired to ionise a 'H' atom if the electron occup...

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  10. What is the maximum number of emission lines when the excited electron...

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  11. i. The energy associated with the first-orbit in the hydrogen atom is ...

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  12. Calculate the wave number for the longest wave length transition in th...

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  13. What is the energy in joules required to shift the electron of the hyd...

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  14. Calculate the energy required to remove an electron completely from n ...

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  15. Calculate the wavelength of an electron moving with a velocity of 2.05...

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  16. The mass of an electron is 9.1xx10^(-31) kg. If its K.E.is 3.0xx10^(-2...

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  17. Which of the following are isoelectronic species? Na^(+) , K^(+), Mg...

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  18. i. Write the electronic configuration of the following ions: (a) 'H^-'...

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  19. What is the lowest value of 'n' that allows 'g' orbitals to exist?

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  20. An electron is in one of the '3 d' orbitals. Give the possible values ...

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