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波长,能量Thewavelengthofabeamofradiowavesis2.669x10^0km.Whatistheenergy(inJ)of2.62x10^-1moleofitsphotonsNote:Youranswerisassumedtobereducedtothehighestpowerpossible.
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波长,能量
The wavelength of a beam of radio waves is 2.669x10^0 km.What is the energy (in J) of 2.62x10^-1 mole of its photons
Note:Your answer is assumed to be reduced to the highest power possible.
The wavelength of a beam of radio waves is 2.669x10^0 km.What is the energy (in J) of 2.62x10^-1 mole of its photons
Note:Your answer is assumed to be reduced to the highest power possible.
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答案和解析
For each photon:e = hν (h:Planck constant; v:frequency)= hc/λ (c:speed of light; λ:wavelength = 2.669*10^3 m )For 2.62x10^-1 mole of its photons:E = Ne (N:number of photons)= nNa*e (Na:Avogadro con...
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