What frequency of electromagnetic radiation has energy 4.7 ˛ 10-25 J?
A. 710 kHz
B. 4.7 MHz
C. 710 MHz
D. 1.4 GHz
Answer:C
What frequency of electromagnetic radiation has energy 4.7 ˛ 10-25 J?
A. 710 kHz B. 4.7 MHz C. 710 MHz D. 1.4 GHz