The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
The half life of a radioactive isotope 'X' is 20 years. It decays to another element 'Y' which is stable.…
7 years ago
Atoms and Nuclei
Two nuclei are said to be mirror nuclei of
Two nuclei are said to be mirror nuclei of Options (a) number of protons in the two nuclei are equal…
7 years ago
The moderator in a reactor
The moderator in a reactor Options (a) absorbs neutrons (b) accelerates neutrons (c) slows down neutrons (d) absorbs thermal energy…
7 years ago
In nuclear fusion, two nuclei come together to form a large nucleus.
In nuclear fusion, two nuclei come together to form a large nucleus. Which of the following is a correct equation…
7 years ago
If the number of radius of ²⁷Al is 3.6 Fermi, the approximate nuclear radius
If the number of radius of ²⁷Al is 3.6 Fermi, the approximate nuclear radius of ⁶⁴Cu in Fermi is: Options…
7 years ago
Fusion reaction takes place at high temperature because
Fusion reaction takes place at high temperature because Options (a) nuclei break up at high temperature (b) atoms get ionised…
7 years ago
The power obtained in a reactor using U²³⁵ disintegration is 1000 kW
The power obtained in a reactor using U²³⁵ disintegration is 1000 kW. The mass decay of U²³⁵ per hour is…
7 years ago
The decay constant of a radio isotope is λ. If A₁ and A₂ are its activities at time
The decay constant of a radio isotope is λ. If A₁ and A₂ are its activities at time t₁ and…
7 years ago
The binding energy per nucleon in deuterium and helium nuclei are 1.1 MeV and 7.0 MeV
The binding energy per nucleon in deuterium and helium nuclei are 1.1 MeV and 7.0 MeV, respectively. When two deuterium…
7 years ago
The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons
The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its…
7 years ago