Tamil Nadu SSLC (Class 10) Nuclear Physics — practice questions
23 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Tamil Nadu SSLC (Class 10) Nuclear Physics in the app →What is the phenomenon of spontaneous emission of radiation from certain heavy elements, without any external Elements normally show natural radioactivity when their atomic number isWhich radioactive radiation has the highest ionising power but the lowest penetrating power?Which of the radioactive radiations is not deflected by electric or magnetic fields?When a nucleus emits an alpha particle, how do its mass number and atomic number change?When a radioactive nucleus emits a beta particle, the daughter nucleus hasIn a gamma decay, which of these remains unchanged for the nucleus?A nucleus of thorium has mass number 232 and atomic number 90. After one alpha decay, what are the mass numberThe process in which a heavy nucleus splits into two smaller nuclei with release of energy and neutrons is calWhich of the following is a fissionable (fissile) material that sustains fission on absorbing a neutron?The process in which two lighter nuclei combine to form a heavier nucleus, releasing energy, is calledNuclear fusion in stars requires which special condition that ordinary fission does not?An atom bomb is based on which type of nuclear process?The minimum mass of fissile material needed to sustain a chain reaction is known as theIn a nuclear reactor, which component slows down fast neutrons to sustain the controlled chain reaction?Which material is commonly used as control rods in a nuclear reactor to absorb neutrons?What is the SI unit of radioactivity?A specimen emits 3.7 x 10^3 GBq per second. Expressed in curie, this activity equals (1 curie = 3.7 x 10^10 BqUsing Einstein's relation, the energy released when a mass defect of 2 kg is fully converted (c = 3 x 10^8 m/sWhich radioisotope is used to diagnose and treat anaemia?The age of fossils and old monuments is estimated using which technique?Which protective measure is recommended while handling hazardous radioactive materials?Artificial (induced) radioactivity was first discovered by