Infrared radiation

123456
Across
  1. 3. infrared lies between visible light and ____
  2. 5. ____ of IR is 750 nm to 400000 nm.
Down
  1. 1. Physiological effect of IRR
  2. 2. Infrared radiations are subdivided into ____ regions
  3. 4. Therapeutic effect of IRR includes reducing ____
  4. 6. incandescent lamps is present in ____ generator