Which of the statements below is true? a. The standard model unifies all 4 known
ID: 1998056 • Letter: W
Question
Which of the statements below is true?
a.
The standard model unifies all 4 known interactions, the strong, the electromagnetic, the weak, and the gravitational interaction.
b.
Using only up, down, and strange quarks, is it possible to construct a baryon with Q = 1 and S = -2?
c.
Using only up, down, and strange quarks, is it possible to construct a baryon with Q = 2 and S = 0?
d.
In vacuum, a proton can spontaneously by the following decay process:
p --> n + e+ + e.
a.
The standard model unifies all 4 known interactions, the strong, the electromagnetic, the weak, and the gravitational interaction.
b.
Using only up, down, and strange quarks, is it possible to construct a baryon with Q = 1 and S = -2?
c.
Using only up, down, and strange quarks, is it possible to construct a baryon with Q = 2 and S = 0?
d.
In vacuum, a proton can spontaneously by the following decay process:
p --> n + e+ + e.
Explanation / Answer
Here the option (d) is true
Because,the decay is a week interaction process.There might be a concern that it will not be rapid enough to occur during the primary protons flight to earth.
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