Question

frndsss do this numerical

Answer 1

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♦ Angstrom or Å, is a unit of length usually used for expressing sizes of atoms, molecules, wavelengths, electromagnetic radiations, etc. defined as 'one ten-billionth of a meter' 

=> 1Å = 10⁻¹⁰ m = 0.1 nm
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 • Wavelength of the particular light = 5800 Å

Using unit conversion : 
  • 5800 Å = ( 5800 * 0.1 )nm = 580nm
  • 5800 Å = ( 5800 * 10⁻¹⁰ )m = ( 5.8 * 10⁻⁷ )m

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For further reference :'https://en.wikipedia.org/wiki/%C3%85ngstr%C3%B6m' 
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Hope this helps