Which of the following are quanta?
A) photons
B) electrons
C) Both of the above.
D) neutrinos
E) All of the above.
E
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Indicate whether the statement is true or false
In astronomy, an interferometer can be used to
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Which of these particles has the least mass?
a. electron neutrino b. muon c. electron d. pion
A common scale for denoting a mineral's hardness is the
a. Ores scale. b. Mohs scale. c. Homs scale. d. Ohms scale.