Assertion: ultraviolet's wavelength | /r/CapableOf | start near the beginning of the uvb band
Facets:
value: at 315 nm
type: LOCATION
Source sentences:
text: The action spectrum shows that UVA does not cause immediate reaction, but rather UV begins to cause photokeratitis and skin redness (with lighter skinned individuals being more sensitive) at wavelengths starting near the beginning of the UVB band at 315 nm, and rapidly increasing to 300 nm.