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Q.

 The  wavelength  of visible light is

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a

380  nm - 760 nm

b

900  nm - 2000  nm

c

200 nm - 370 nm

d

780  nm - 890  nm

answer is C.

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Detailed Solution

  • Visible light falls within the range of 400-700 nm, and infrared light contains wavelengths from 700 nm to over 1 mm. In the visible light spectrum, the colors are determined by the length. 
  • Longer wavelengths appear red while shorter wavelengths are blue/violet as they range closer to the ultraviolet spectrum.
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