MCQOPTIONS
Saved Bookmarks
| 1. |
Visible spectrum of the light has a wavelength in the range of: |
| A. | 1000 to 4000 ao |
| B. | 4000 to 7000 ao |
| C. | 7500 to 12500 ao |
| D. | 12500 to 30000 ao |
| Answer» C. 7500 to 12500 ao | |