Which one of the following statements is correct?
(a) UV-B radiations damage DNA but do not cause mutation.
(b) Cornea in human eyes absorbs UV-B radiations.
(c) UV radiations of wavelength greater than UV-B are completely absorbed by the Earth’s atmosphere.
(d) UV-B radiations may be useful to treat snow blindness.
Ans: (b) Cornea in human eyes absorbs UV-B radiations.