Advertisements
Advertisements
प्रश्न
State three properties of infrared radiations similar to that of visible light.
Advertisements
उत्तर
(i) Infrared radiations and visible light both travel in a vacuum with a speed of 3 × 108 ms−1.
(ii) Both the infrared radiations and the visible light obey the laws of reflection and refraction.
(iii) Both the infrared radiations and the visible light are electromagnetic waves.
संबंधित प्रश्न
Why are microwaves considered suitable for radar systems used in aircraft navigation?
What role dose infra-red radiation play in physical therapy?
Name the phenomenon which shows the quantum nature of electromagnetic radiation.
Name the radiations of wavelength just shorter than 4 × 10-7 m.
Name the radiation of the electromagnetic spectrum which is used for the following:
For taking photographs of the sky during the night and foggy conditions . Give the frequency range
Answer briefly.
What are radio waves?
Radio waves of constant amplitude can be generated with.
Which one of the following electromagnetic radiation has the least wavelength?
Name the electromagnetic radiation that has been used in obtaining the image below.

What is the wavelength range of electromagnetic radiation used in radio broadcast?
