-------- is conserved in pair production.
Correct answer: C. Both A & B
- A. Charge
- B. Momentum
- C. Both A & B
- D. None of these
Explanation
In pair production, a photon is absorbed by matter, typically an atomic nucleus, and converts its energy into the mass of an electron-positron pair. During this process, both charge and momentum are conserved.
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About Dawn of Modern Physics
Classical physics cannot explain blackbody radiation and related observations, leading to Planck’s quantum theory, in which energy is emitted or absorbed in discrete packets. Photons provide the particle model of light, with energy and momentum linked to frequency and wavelength, including the photoelectric effect and its threshold frequency.
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