Advertisements
Advertisements
Question
Electromagnetic waves with wavelength
- λ1 is suitable for radar systems used in aircraft navigation.
- λ2 is used to kill germs in water purifiers.
- λ3 is used to improve visibility in runways during fog and mist conditions.
Identify and name the part of the electromagnetic spectrum to which these radiations belong. Also arrange these wavelengths in ascending order of their magnitude.
Advertisements
Solution
- λ1 - Microwave
- λ2 - Ultraviolet
- λ3 - Infrared
Ascending order - λ2 < λ3 < λ1
APPEARS IN
RELATED QUESTIONS
Give a reason for the following:
Long-distance radio broadcasts use short-wave bands. Why?
The energy of a photon of a characteristic X-ray from a Coolidge tube comes from
Name the part of the electromagnetic spectrum which is:
Suitable for radar systems used in aircraft navigation.
State three properties of infrared radiations similar to that of visible light.
Give one use of electromagnetic radiation in Microwaves.
Give one use of electromagnetic radiations in Infrared radiation.
An e.m. wave exerts pressure on the surface on which it is incident. Justify.
What is time period of the light for which the eye is most sensitive?
SONAR emits which of the following waves?
Give any two uses of infrared waves.
