Which electromagnetic radiation has the longest wavelength?
Correct answer: C. Microwaves
- A. γ rays
- B. UV
- C. Microwaves
- D. X rays
Explanation
Electromagnetic radiation consists of various types of waves with different wavelengths. The order of the types of electromagnetic radiation from longest to shortest wavelength is:Radio WavesMicrowavesInfrared radiationVisible lightUltraviolet (UV)X-raysGamma rays
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About Electromagnetic Waves
Electromagnetic waves consist of mutually perpendicular, oscillating electric and magnetic fields that also remain perpendicular to the direction of propagation. They travel through vacuum at the speed of light and include radio waves, microwaves, infrared, visible, ultraviolet, X-rays and gamma rays. Unlike mechanical waves, they do not require a material medium.
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