One MeV positron encounters 1 MeV electron travelling in opposite direction. What is the…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
One MeV positron encounters 1 MeV electron travelling in opposite direction. What is the wavelength of photons produced?
(Given rest mass energy of electron or positron = 0.512 MeV and h = 6.62 × 10–34 Js)
(Given rest mass energy of electron or positron = 0.512 MeV and h = 6.62 × 10–34 Js)
- 8.2 × 10–11 m
- 8.2 × 10–13 m
- 8.2 × 10–12 m
- 8.2 × 10–9 m
Answer
(B) 8.2 × 10 –13 m
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