According to Huygens' principle, each point on a wave can be considered as the source of a new wave that propagates from that point onward.
Indicate whether the statement is true or false
Question 2
The cosmic background radiation corresponds to a temperature of about
A) 1.4 K. B) 4.9 K. C) 2.7 K. D) 3.8 K. E) 5.5 K.