Multiple Choice
According to the Heisenberg uncertainly principle, can matter spontaneously come into existence without having been created from energy?
A) No, never. Matter is a form of energy, and the spontaneous creation of matter would violate conservation of energy.
B) Yes, but only for extremely short times.
C) Yes, but only if the particles created are electrically neutral.
D) Yes, but only if an equal amount of matter disappears from some other part of the universe.
Correct Answer:

Verified
Correct Answer:
Verified
Q55: The mass of a proton is 1.67
Q56: The inflationary epoch accomplished all of the
Q57: Where and how was most of the
Q58: Models of the evolution of structure
Q59: During the epoch of cosmic inflation, the
Q61: A particle and an antiparticle have:<br>A)the same
Q62: Particle-antiparticle pairs are coming into existence all
Q63: The formula for the Jeans length is
Q64: All of the following are attributes of
Q65: The early universe had a large flux