Advertisements
Advertisements
प्रश्न
State two properties of infrared radiations which differ from visible light.
Advertisements
उत्तर
(i) The wavelength of infrared radiations is longer than that of visible light.
(ii) The infrared radiations have more heating effect than that of visible light.
APPEARS IN
संबंधित प्रश्न
Identify the part of the electromagnetic spectrum which is suitable for radar system used in aircraft navigation.
State an additional use of the X-rays waves
State the approximate range of wavelength associated with infrared rays.
Name two electromagnetic waves of frequency smaller than that of violet light. State one use of each.
Two waves A and B have wavelength 0.01 Å and 9000 Å respectively.
- Name the two waves.
- Compare the speeds of these waves when they travel in vacuum.
An X-ray beam can be deflected
Name the scientist who discovered Infra-red waves
Give one use of electromagnetic radiation in Ultraviolet radiation.
What are the ultraviolet rays?
One requires 11eV of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in ______.
