- #1
backward
- 28
- 2
Let a photon of a definite wavelength (hence a definite momentum ) start it's journey at time 0. After 8.3 minutes it hits a detector on earth. So it's position is exactly known (in fact it can be predicted for any time less than 8.3 minutes). So we have particle with definitely known momentum and position at t=8.3 minutes in violation of the UP. Where have I committed a mistake.