A 600W mercurylampemitsmonochromaticradiationof wavelength313 : 3 nm . Howmanyphtonsare emittedfromlamppersecond ? (h=6.626 xx 10^(34)Jsvelocityof light3 xx 10^(8)ms^(-1))

A 600W mercurylampemitsmonochromaticradiationof wavelength313 : 3 nm .

1.	A 600W mercurylampemitsmonochromaticradiationof wavelength313 : 3 nm . Howmanyphtonsare emittedfromlamppersecond ? (h=6.626 xx 10^(34)Jsvelocityof light3 xx 10^(8)ms^(-1))
Answer» `1xx 10^(19)` `1xx 10^(20)` `1XX10^(21)` `1xx10^(22)` Answer :C