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What is the incertainity on the location of a photon of wavelength 5000 Angstorm if wavelength is known to the accuracy of 1 pm?

What is the incertainity on the location of a photon of wavelength 5000 Angstorm if wavelength is known to the accuracy of 1 pm?

Grade:11

1 Answers

Suraj Prasad IIT Patna
askIITians Faculty 286 Points
7 years ago
See,lambda= h/p ,
So from here p= h/lambda => del P = -del lambda * h /(lambda)^2

Calculate del P from here in terms of h and put in the expression of Heisenberg’s Uncertainty principle. del x * del p = h/4*pi

You will see the answer is coming as 0.02 m

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