An LED is constructed from a p-n junction based on a certain semi-conducting material whose energy gap is 1.9 eV. Then, the wavelength of the emitted light is

An LED is constructed from a pn junction based on a certain semi-conducting material whose energy gap is 1.9 eV. Then the wavelength of the emitted light is

An LED is constructed from pn junction based on a certain semi-conducting material whose energy gap is 1.9 eV.Then, the wavelength of the emitted light is:

An LED is constructed from a p-n junction based on a certain semi conducting material whose energy gap is 1.9eV then the wavelength of the emitted light is

An LED is constructed from a p-n junction based on a certain Ga-As-P semiconducting material whose energy is 1.9 eV. What is the wavelength of the emitted light?

A p-n junction is fabricated from a semiconductor with band gap of 2.8eV . Can it detect a wavelength of 6000nm ?

A p-n junction is fabricated from a semiconductor with band gap of 2.8eV . Can it detect a wavelength of 6000nm ?