Answer to Question #45660 in Optics for ermias yitayew

1.using scientific terminology (or using a manifestation of Rayeligh scattering of light) state
a)why the sky is blue
b) why the sunsets are reddish
c)why clouds appear white
2.state all the possibel properties of
a) all radiated electromagnetic waves and prove that speed of light is 3* 10^8 m/s
b)blackbody radiation