Across
- 3. infrared lies between visible light and ____
- 5. ____ of IR is 750 nm to 400000 nm.
Down
- 1. Physiological effect of IRR
- 2. Infrared radiations are subdivided into ____ regions
- 4. Therapeutic effect of IRR includes reducing ____
- 6. incandescent lamps is present in ____ generator