The relative luminosity of wavelength 600 nm is 0.6. Find the radiant – McqOptions

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1.	The relative luminosity of wavelength 600 nm is 0.6. Find the radiant flux of 600 nm needed to produce the same brightness sensation as produced by 120 W of radiant flux at 555 nm
A.	50W
B.	72W
C.	\[120\times {{(0.6)}^{2}}W\]
D.	200W
Answer» E.

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