17-05-2017
Physics

contestada

Which property of light remains unchanged when it enters a different medium?
A amplitude
B frequency
C wavelength
D velocity
E density

Respuesta :

egenriether egenriether

17-05-2017

B. Frequency remains unchanged because the energy in a photon is E=hf. So if the frequency changes so does the energy and that doesn't happen to EM waves entering a medium by the conservation of energy

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chloelandry chloelandry

06-12-2018

the answer is b frequency

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