Given energy E = 1.6 * 10^5 J
The energy of photon is E = h * f
where h = planck's constant
h = 6.62 * 10^-34 J-s
Therefore 1.6 * 10^5 = 6.62 * 10^-34 * f
frequency f = 2.417 * 10^38 Hz
The frequency f = c / lambda
lambda = c / f
lambda = (3 * 10^8) / (2.417 * 10^38)
lambda = 1.24 * 10^-30 m
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