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संबंधित प्रश्न
A radio can tune in to any station in the 7.5 MHz to 12 MHz band. What is the corresponding wavelength band?
State an additional use of the X-rays waves
State the approximate range of wavelength associated with infrared rays.
Name three properties of ultraviolet radiations which are similar to visible light.
Arrange the following electromagnetic waves in increasing order of their frequencies (i.e. begin with the lowest frequency):
Visible light, y rays, X rays, microwaves, radio waves, infrared radiations, and ultraviolet radiation.
Choose the correct option.
How does the frequency of a beam of ultraviolet light change when it travels from air into glass?
If the Earth did not have atmosphere, would its average surface temperature be higher or lower than what it is now? Explain.
Microwaves are electromagnetic waves with frequency in the range of.
Find the photon energy in units of ev for electromagnetic wave if waves length 40 m. Given h = 6.63 × 10–34 J.
Electromagnetic waves of wavelengths λ1, λ2 and λ3 are used in a radar system, in water purifiers and in remote switches of TV, respectively.
- Identify the electromagnetic waves.
- Write one source for each of them.
