Question

9. The wavelength of light of a particular colour is 5800 Å.
a) Express in i) nanometre ii) metre.
b) What is the order of magnitude of the wavelength of the colour in metre?

Answer 1

Answer:

The wavelengths of light is 5800 A

1nm = 10 A

5800 A = 5800 /10 = 580 nm

10000000000 = 1m

5800 A = 5800/10000000000

= 5.8 × 10^-7 m.

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