Asked by Anon
A metal foil has a threshold frequency of 5.45 x 10^14 Hz. Which color of visible light will not eject electrons from this metal?
a) blue
b) indigo
c) violet
d) orange
c=(wavelength)(v)
3.0x10^8m/s = (wavelength)(5.45 x 10^14 Hz)
550 nm -> releases green. So, I am guessing the answer would be d) orange.
a) blue
b) indigo
c) violet
d) orange
c=(wavelength)(v)
3.0x10^8m/s = (wavelength)(5.45 x 10^14 Hz)
550 nm -> releases green. So, I am guessing the answer would be d) orange.
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