visible spectrum is above called as a)optical spectrum b)Electromagnetic spectrum c)wavelength spectrum d)chemical spectrum
Answers
Answer:
The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengths from about 380 to 750 nanometers.[1] In terms of frequency, this corresponds to a band in the vicinity of 400–790 THz.
White light is dispersed by a prism into the colors of the visible spectrum.
Laser beams with visible spectrum
The spectrum does not contain all the colors that the human visual system can distinguish. Unsaturated colors such as pink, or purple variations like magenta, for example, are absent because they can only be made from a mix of multiple wavelengths. Colors containing only one wavelength are also called pure colors or spectral colors.
Visible wavelengths pass largely unattenuated through the Earth's atmosphere via the "optical window" region of the electromagnetic spectrum. An example of this phenomenon is when clean air scatters blue light more than red light, and so the midday sky appears blue (apart from the area around the sun which appears white because the light is not scattered as much). The optical window is also referred to as the "visible window" because it overlaps the human visible response spectrum. The near infrared (NIR) window lies just out of the human vision, as well as the medium wavelength infrared (MWIR) window, and the long wavelength or far infrared (LWIR or FIR) window, although other animals may experience them.
Explanation:
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Visible spectrum is above called as electromagnetic spectrum. Option (b) is correct.
Explanation:
- In electromagnetic spectrum, the visible spectrum is the part.
- Human eye can view the visible spectrum.
- The wavelengths from 380 to 700 nanometers are the range detect by human eye.
- So, this wavelength range is called visible light.
- Violet part of the visible spectrum has the highest energy.
- Radio waves, microwaves, infrared, optical, ultraviolet, X-rays and gamma-rays are the types of electromagnetic spectrum.
- From Longest wavelength to shortest wavelength the above types are arranged.
To Learn More...
1.(i) What is visible spectrum?
(ii) Why is red used as the stopping light at traffic signals?
(iii)Two triangular glass prisms are kept together connected through their rectangular
side. A light beam is passed through one side of the combination. Will there be any
dispersion? Justify your answer.
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2.What is visible spectrum
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