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[" A "600" W mercury lamp emits "],[" mo...

[" A "600" W mercury lamp emits "],[" monochromatic radiation of wavelength "],[331.3" nm.How many photons are emitted "],[" from the lamp per second "],[[h=6.6260times10^(-34)" Js; velocity of light "=3times10^(8)ms^(-1)]]

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A 600 W mercury lamp emits monochromatic radiation of wavelength 331.3 nm. How many photons are emitted from the lamp per second? (h =6.626 xx10^(-34)" Js, velocity of light "=3xx10^(8)ms^(-1))

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