1.

1 mole of photons, each of frequency 250 s^(-1) would have approximately a total energy of

Answer» <html><body><p>1 <a href="https://interviewquestions.tuteehub.com/tag/erg-446447" style="font-weight:bold;" target="_blank" title="Click to know more about ERG">ERG</a><br/>1 joule<br/>1 eV<br/>1 MeV</p>Solution :`E = N_(A) <a href="https://interviewquestions.tuteehub.com/tag/hv-1033771" style="font-weight:bold;" target="_blank" title="Click to know more about HV">HV</a> = (6.02 xx 10^(<a href="https://interviewquestions.tuteehub.com/tag/23-294845" style="font-weight:bold;" target="_blank" title="Click to know more about 23">23</a>)) (6.6 xx 10^(-34) Js) (250 s^(-1)) = 10^(-<a href="https://interviewquestions.tuteehub.com/tag/7-332378" style="font-weight:bold;" target="_blank" title="Click to know more about 7">7</a>) "erg " = 1J`</body></html>


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