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The average wavelength of light from a sodium lamp is 5893 Aangstrom. Express it in metres and in nano metres.

1 Angstrom = 10-10 m

so,

5893 Angstrom = 5893 x 10-10 m

and

1 Angstrom = 0.1 nm

so,

5893 Angstrom = 589.3 nm

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1 -10m =1 angstrom 5893*10 -10= 5.893*10 -7

1-9m=1nanometer

hope this helps u

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