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(A) In the visible spectrum,the energy of light is inversely proportional to its wavelength $(E = \frac{hc}{\lambda})$.Red color has the longest wavel

Vedclass · Accepted Answer

Red,$E = 2.84 	imes 10^{-19} \ J, \lambda = 700 \ nm, 
u = 4.28 	imes 10^{14} \ Hz$

Vedclass · Answer

(A) In the visible spectrum,the energy of light is inversely proportional to its wavelength $(E = \frac{hc}{\lambda})$.Red color has the longest wavelength (approximately $700 \ nm$),which corresponds to the minimum energy.Using $E = \frac{hc}{\lambda}$ where $h = 6.626 	imes 10^{-34} \ J \cdot s$ and $c = 3 	imes 10^8 \ m/s$:$E = \frac{6.626 	imes 10^{-34} 	imes 3 	imes 10^8}{700 	imes 10^{-9}} \approx 2.84 	imes 10^{-19} \ J$.The frequency $
u = \frac{c}{\lambda} = \frac{3 	imes 10^8}{700 	imes 10^{-9}} \approx 4.28 	imes 10^{14} \ Hz$.

Which color in the visible spectrum has the minimum energy? State its energy,wavelength,and frequency.

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