Asked by ftsum
a 75 w light source consumes 75 w of electrical power . assume all this energy goes in to emitted li ght of wavelength 600nm calculate the frequency of the emitted light?
Answers
Answered by
henry2,
Wavelength = V/F = 6*10^-7 m.
WL = 3*10^8/F = 6*10^-7 m.
F = 5*10^14 cycles/s. = 5*10^14 Hz.
WL = 3*10^8/F = 6*10^-7 m.
F = 5*10^14 cycles/s. = 5*10^14 Hz.
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