Which isotope of uranium is capable of sustaining chain reaction
Uranium-235 is an isotope of uranium making up about 0.72% of natural uranium. Unlike the predominant isotope uranium-238, it is fissile, i.e., it can sustain a fission chain reaction. It is the only fissile isotope that is a primordial nuclide or found in significant quantity in nature.
What is the reason behind the dark lines in the solar spectrum
Absorption of corresponding wavelengths by the inner layers of the sun
Absorption of corresponding wavelengths by the outer layers of the sun
Absence of corresponding wavelengths by the inner layers of the sun
Destructive interference between waves of certain definite wavelengths
Who proved that ''No two electrons in an atom can have the same set of four quantum numbers''
According to Avogadro''s Hypothesis, What is name of the smallest particle of an element or a compound, that can exist independently.