- #1
georgeh
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An ultraviolet light bulb, emitting at 400nm and an infared light, emitting at 700nm are both rated at 400 W.
a. Which bulb radiates more photons at the greater rate?
I thought about it long and hard and only thing i can think of
is to use the rleationship: v=lambda*f
where v would be C- the speed of light
solve for the frequency and we know the wavelength for each bulb.
b. How many more photons does it generate per second than the other bulb?
I was thinking of using the following relationship:
E=hc/Lamda
Determine the energy, and we know that Power=Energy/time
solve for the time?
a. Which bulb radiates more photons at the greater rate?
I thought about it long and hard and only thing i can think of
is to use the rleationship: v=lambda*f
where v would be C- the speed of light
solve for the frequency and we know the wavelength for each bulb.
b. How many more photons does it generate per second than the other bulb?
I was thinking of using the following relationship:
E=hc/Lamda
Determine the energy, and we know that Power=Energy/time
solve for the time?