An atom of "anti-hydrogen" would be made of
A) an anti-proton and a positron.
B) a positron and an electron.
C) a proton and a positron.
D) a high-frequency photon and a low-frequency photon.
E) an anti-proton and a muon.
A
You might also like to view...
An atom contains two or more molecules bonded together
Indicate whether the statement is true or false
Quantum issues often constrain transitions in quantum harmonic oscillators to those where ?n = 1. Consider a spectrum chart (like the one shown in figure Q11.2) for such a system. What would this chart look like?
A. There would be only one emission line.
B. The emission lines would be evenly spaced in energy.
C. The emission lines would become more closely spaced (in energy) as we go to the right.
D. The emission lines would become farther apart (in energy) as we go to the right.
What features of the telescopic view of the Andromeda Galaxy, M-31, are also visible to the naked eye for our similar Galaxy?
What will be an ideal response?
Approximately how many other planetary systems have been discovered to date?
A) tens B) hundreds C) thousands D) tens of thousands E) millions