Saved Bookmarks
| 1. |
What is used as a light source in ear oximeter?(a) Mercury-vapor lamp(b) Sodium-vapor lamp(c) Tungsten-iodine lamp(d) Sulfur lamp |
|
Answer» Right choice is (c) Tungsten-iodine lamp Easy explanation: The light source is a tungsten-iodine lamp that has a high output in the spectrum of interest. A lens system collimates the light beam and directs it through thin-film interference filters that provide wavelength selection. |
|