Ozone plays a very imporant role in absorbing high-energy and damaging ultraviol

Question

Ozone plays a very imporant role in absorbing high-energy and damaging ultraviolet (UV) radiation in the stratosphere before it can harm life on Earth's surface. Damaging UV-B radiation, ranging in wavelength from 280 to 320 nm, can be absorbed by ozone. Convert the UV-B wavelength of 3.20 × 102 nm from nanometers to meters.

Ozone can also absorb the higher energy (shorter wavelength) and more damaging ultraviolet UV-C radiation, ranging in wavlelengths from 2.00 × 10–7 to 2.80 × 10–7 m. Convert the UV-C wavelength of 2.72 × 10-7 meters to micrometers.

Explanation / Answer

A)

WL = 3.2*10^2 nm ---> to meters

1 nm = 10^-9 m

WL = (3.2*10^2)(10^-9) = 3.2*10^-7 m

B)

WLmin = (2*10^-7)(10^9) = 200 nm

WLmax = (2.8*10^-7)(10^9) = 280 nm

C)

Change:

2.72*10^-7 m to micrometers

10^6 micrometers = 1 m

WL = (2.72*10^-7)(10^6)= 0.272 micrometers

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