Advertisements
Advertisements
Question
Give one use of electromagnetic radiations in Infrared radiation.
Advertisements
Solution
Infrared radiations are used as signals during the war.
APPEARS IN
RELATED QUESTIONS
Identify the part of the electromagnetic spectrum which is suitable for radar system used in aircraft navigation.
The wavelengths for the light of red and blue colours are roughly 7.8 × `10^7` m and 4.8 × `10^7` m respectively.
(a) Which colour has the greater speed in vacuum?
(b) Which colour has the greater speed in glass?
Give one use of gamma rays.
The energy of a photon of a characteristic X-ray from a Coolidge tube comes from
State the name and the range of wavelength of the invisible electromagnetic waves beyond the red end of the visible spectrum.
What is the wavelength of the wave whose frequency is 1012 Hz? Name the electromagnetic wave.
The frequency of x-rays, y-rays and ultraviolet rays are respectively a, b and c. Then:-
Arrange the following electromagnetic radiation in the ascending order of their frequencies:
X-rays, microwaves, gamma rays, radio waves
How do ultraviolet rays compare with visible light?
How are X-rays commonly produced?
