The frequencies of X-rays, v-rays and UV rays are respectively a, b and c. Then
A. a < b, b < c
B. a < b, b > c
C. a > b, b > c
D. a > b, b < c
Answer:B
The frequencies of X-rays, v-rays and UV rays are respectively a, b and c. Then
A. a < b, b < c B. a < b, b > c C. a > b, b > c D. a > b, b < c