Question

1. Wavelength of sodium light is 5890 Å. Express it in metre and nanometri​

Answer 1

Answer:

1 Angstrom=10^-10 m

5890 Angstrom=5890x10^-10 m

1 nm=10^9

5890x10^-10 m=5890x10^-10x10^9

                          =5890x10^-1

                          =589 nm

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Answer 2

Explanation:

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