Mona and Anushka are friends, both studying in class 12. Mona is in Science stream and Anushka in in Arts stream. Both of them go to market to purchase sunglasses. Anushka feels that any coloured glasses with fancy look are good enough. Mona tells her to look for `UV` protection glasses, polaroid glasses and photo sensitive glasses.
Read the above passage and answer the following questions :
(i) What are `UV` protection glasses, polaroid glasses and photo sensitive glasses ?
(ii) What values are displayed by Mona ?