Which of the following particles is the lightest?
A. Nucleus
B. Electron
C. Proton
D. Meson
Answer: Option B
Solution(By Examveda Team)
An electron is a negatively charged subatomic particle.It can be either free or bound to the nucleus of an atom.
The invariant mass of an electron is approximately 9.109×10−31 kilograms,
Related Questions on Power Plant Engineering
Reactors for propulsion applications use
A. Natural uranium
B. Molten lead
C. Any form of uranium
D. Thorium
Reactors designed for propulsion applications are designed for
A. Natural uranium
B. Enriched uranium
C. Pure uranium
D. Any type of uranium
Reactors for propulsion applications are designed for
A. Any form of uranium
B. Natural uranium
C. Enriched uranium
D. Plutonium
The size of the reactor is said to be critical when
A. Chain reaction can be initiated
B. It becomes uncontrollable
C. It explodes
D. It produces no power
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