Nuclear Science mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
77.
'Critical mass' is the minimum mass of nuclear fissile material required for the
82.
The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to gm.
83.
The time taken for a radioactive element to reduce to 50 % of its original weight is years, if its half life period is 12 years.
84.
'No two electrons in an atom can have the same set of four quantum numbers' is
85.
Thermal nuclear reactors using enriched uranium as fuel contains a maximum of percent fissile material i.e. U-235.
88.
According to Avogadro's Hypothesis, the smallest particle of an element or a compound, that can exist independently, is called
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