The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second. 3300 4400 2200 1100 TRUE ANSWER : ? YOUR ANSWER : ?
Isotopes of an element have the same Mass number Atomic weight Number of neutrons Electronic configuration TRUE ANSWER : ? YOUR ANSWER : ?
Percentage of the heavy water in ordi water is around 0.71 0.015 7.54 32.97 TRUE ANSWER : ? YOUR ANSWER : ?
Which one is the radioactive isotope of hydrogen? Deuterium Tritium Ortho-hydrogen None of these TRUE ANSWER : ? YOUR ANSWER : ?
An ideal coolant for a nuclear reactor should Be capable of attaining high temperature, only when it is pressurised Be free from radiation damage and non-corrosive Have high density, but low heat transfer co-efficient Be a good absorber of neutrons TRUE ANSWER : ? YOUR ANSWER : ?
The first underground nuclear test was conducted by India at Jaisalmer Kalpakkam Narora Pokharan TRUE ANSWER : ? YOUR ANSWER : ?
The 92U238 emits an a-particle. The product is 90U238 90U236 92U236 90U234 TRUE ANSWER : ? YOUR ANSWER : ?
The mass number of an element is equal to the number of __________ in the nucleus. Neutrons Neutrons plus protons (i.e., nucleons) Protons Electrons TRUE ANSWER : ? YOUR ANSWER : ?
A homogeneous reactor is the one, in which the The fuel and the moderator is mixed to form a homogeneous material Fissile atoms are evenly distributed throughout the mass of nuclear reactor All of these Same substance (e.g. heavy water) is used as moderator & coolant TRUE ANSWER : ? YOUR ANSWER : ?