Out of the X-rays, microwaves, ultra-violet rays, the shortest frequency wave is ……………
A. X-rays
B. microwaves
C. ultra-violet rays
D. γ-rays
Answer:B
Out of the X-rays, microwaves, ultra-violet rays, the shortest frequency wave is ……………
A. X-rays B. microwaves C. ultra-violet rays D. γ-rays