Name the region beyond the red end of the spectrum.
A
Ultra red
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B
infra red
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C
dark red
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D
light red
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Solution
The correct option is B infra red The electromagnetic spectrum consists of all the different wavelengths of electromagnetic radiation, including light, radio waves, and X-rays. Ultraviolet light has shorter wavelengths than radio light and Infra red light has longer wavelengths than gamma light. The only region in the entire electromagnetic spectrum that our eyes are sensitive to is the visible region. The region beyond the red end of the spectrum is called infra red.