A screen receives 
of radiant flux of wavelength 
. One lumen is equivalent to 
of monochromatic light of wavelength 
. If relative luminosity for 
is 0.685 while that for 
is 1.00, then the luminous flux of the source is
a)
b)
c)
d)
A screen receives of radiant flux of wavelength . One lumen is equivalent to of monochromatic light of wavelength . If relative luminosity for is 0.685 while that for is 1.00, then the luminous flux of the source is
a)
b)
c)
d)
Question ID - 152889 | SaraNextGen Top Answer
A screen receives of radiant flux of wavelength . One lumen is equivalent to of monochromatic light of wavelength . If relative luminosity for is 0.685 while that for is 1.00, then the luminous flux of the source is
a)
b)
c)
d)
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A screen receives |
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a) |
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b) |
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c) |
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d) |
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