1.

2.4 mole ofH_2 sample was taken . In one experiment60% of the sample was exposed to conitnuous radiations of frequency4.47 xx 10 Hz, of which all he electrons are removed from the atom . In another experiment remaining sample was irradiated with light of wavelength600Å , when all the electrons are removed from the surface , Calculate the ratio of maximum velocity of the ejected electron in the two cases . Also report the velocity of ejected electron in each case . Assume that ejected electrons does not interact wih any photon . (Ionization potential ofH= 13. 6 eV).

Answer»

SOLUTION :` 0. 83 or 1.22 ,`


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