Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Consider the following pairs:

1. UVA :: 100 to 280 nm
2. UVB :: 280 to 315 nm
3. UVC :: 315 to 400 nm

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Which of the pairs given above are incorrect?

• A. 1, 3 only
• B. 2, 3 only
• C. 1, 2 only
• D. 1, 2 and 3

Answer 1

The correct option is A 1, 3 only

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> UVC :: 100 to 280 nm
UVB :: 280 to 315 nm
UVA :: 315 to 400 nm