200求一道物理题 懂英文的来The visible spectrum of colors ranges from ap
7个回答

(a)

For wave with wavelength of 372.3 nm

Frequency = c/λ1=8.06×10^14 Hz

For wave with wavelength of 722.3 nm

Frequency =c/λ2=4.153×10^14 Hz

(b)

Answer :v = c/n =1.923× 10^8 m/s

(c)

For wave with original wavelength of 372.3 nm

New wavelength = λ1/n=238.65 nm

For wave with original wavelength of 722.3 nm

New wavelength =λ2/n=463.013 nm

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