Q. What is the correct ascending order for frequencies of the following radiations?
1. Visible
2. X-rays
3. Ultraviolet
4. Radio waves
Choose the Correct Option:

• (A) 1,3, 2,4
• (B) 3,2, 4.1
• (C) 4,1, 3,2
• (D) 4,3, 1,2