Answer 14,15,16.I will mark as brainliest if you explain clearly
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15). E1/E2 =wavelength2/ wavelength1
E/0.25 E =wavelength2/600
wavelength2 = 2400nm
answer is 2400nm
16). wavelength= h/p
h is Planck's constant and p is momentum
wavelength =6.6*10-³⁴/3.3*10-²⁴
wavelength= 2*10^-10
answer is 2A°
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