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if it takes approximately ,1 erg of energy for a fly to lift off from a table top.how many flies could get air borne by avogadro`s number of photon of yellow sodium (Na) light of wavelength=5800 angstorm?

if it takes approximately ,1 erg of energy for a fly to lift off from a table top.how many flies could get air borne by avogadro`s number of photon of yellow sodium (Na) light of wavelength=5800 angstorm?
 

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

1 erg is 1.6021773e-12 eV

using hc/(lambda)

energy can be calculated

Avogadro number is 6.023*10^23

Now you can determine the answer

Regards

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