QUESTION 9 Calculate the frequency (in Hz) of the red light emitted by a neon sign with a wavelength of 633nm. 4.26...

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Answer 1

Answer #1

Frequency, v = c/ $\lambda$

Where c = speed of light = 3×10⁸ m/s

Wavelength, $\lambda$ = 633 nm = 633×10^-9 m

Frequency = 3×10⁸/633×10^-9 Hz

= 4.74×10¹⁴ Hz

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Answer 2

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