Write the equation for maximum wavelength of a light emitted from LED.
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among this purple has the lowest wavelength and red has maximum wavelength
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Explanation:
The wavelength can be measured as the range of a transverse wave between two neighbouring crests or two neighbouring longitudinal wave compressions. Wavelength is associated with a wave's energy and is measured in metres.
To calculate the wavelength the equation used is -
Band Gap(eV) = 1240.8/ wavelength ( where the LED material bandgap is determined )
A spectrometer or an integrated sphere is then used to acquire emission spectra, from which the dominant wavelengths emitted by the LED can be discovered.
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