the wavelength of light of a particular colour is 5800 Angstrom.express it in (a)nanometre and (b) metre.
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5800 Å
(a) 1 nm = 10 Å ……[∵ 1 nm = 10^-9 m]
So, 5800Å = 580 nm
(b) 1 Å = 10^-10 m
So, 5800 Å = 5.8 × 10^-7 m
(a) 1 nm = 10 Å ……[∵ 1 nm = 10^-9 m]
So, 5800Å = 580 nm
(b) 1 Å = 10^-10 m
So, 5800 Å = 5.8 × 10^-7 m
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