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A 25 watt bulb emits monochromatic yello...

A 25 watt bulb emits monochromatic yellow light of wavelength of ` 0. 57 mu` m. Calculate the rate of emission of quanta per second .

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DINESH PUBLICATION-STRUCTURE OF ATOM-Board Examinations
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  2. Electromagnetic radiation of wavelength 242 nm is just sufficient to i...

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  11. The electron energy in hydrogen atom is given by E(n)=(-2.18xx10^(-18)...

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  13. The mass of an electron is 9.1 xx 10^(-25)J, if its K.E. is 3.0 xx 10^...

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  14. Which of the following are isoelectronic species, i.e., those having t...

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  15. i. Write the electronic conifigurations of the following ions: a. H^...

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  20. a. An atomic orbital has n=3. What are the possible values of l and m?...

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