What is the energy of photon if it has wavelength 2.21x10^-14m?
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Wavelength = w
Formula : E = hc/w
E = hc/w
(h = Planck's constant,
c = speed of light)
h = 6.67 × 10^-34 Joule.second
c = 3 × 10^8 m/s
w = 2.21 × 10^-14 m
E = (6.67 × 10^-34 × 3 × 10^8) ÷ (2.21 × 10^-14)
E = 3.018 × 3 × 10^12
E = 9.054 × 10^12 joule
Formula : E = hc/w
E = hc/w
(h = Planck's constant,
c = speed of light)
h = 6.67 × 10^-34 Joule.second
c = 3 × 10^8 m/s
w = 2.21 × 10^-14 m
E = (6.67 × 10^-34 × 3 × 10^8) ÷ (2.21 × 10^-14)
E = 3.018 × 3 × 10^12
E = 9.054 × 10^12 joule
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