There are two categories of ultraviolet light. Ultraviolet A (UVA) has a wavelength ranging from 320 nm to 400 nm. It is necessary for the production of vitamin D. UVB, with a wavelength in vacuum between 280 nm and 320 nm, is more dangerous because it is much more likely to cause skin cancer. (a) Find the frequency ranges of UVA and UVB. (b) What are the ranges of the wave numbers for UVA and UVB?
There are two categories of ultraviolet light. Ultraviolet A (UVA) has a wavelength ranging from 320 nm to 400 nm. It is necessary for the production of vitamin D. UVB, with a wavelength in vacuum between 280 nm and 320 nm, is more dangerous because it is much more likely to cause skin cancer. (a) Find the frequency ranges of UVA and UVB. (b) What are the ranges of the wave numbers for UVA and UVB?
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There are two categories of ultraviolet
light. Ultraviolet A (UVA) has a wavelength ranging from 320 nm
to 400 nm. It is necessary for the production of vitamin D. UVB, with
a wavelength in vacuum between 280 nm and 320 nm, is more dangerous
because it is much more likely to cause skin cancer. (a) Find the
frequency ranges of UVA and UVB. (b) What are the ranges of the wave
numbers for UVA and UVB?
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