Question

what is the energy in joules of a simple photon of wavelength 250x10 to the power -9m​

Answer 1

Answer:

Explanation:

hc/ý

h=planck constant =6.626×10^-34 joule-sec

c=speed of light = 3×10^8 m/s

ý= wavelenght of photon

Substitute you will get energy of photon in joules

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