Multiple Select QuestionSelect all that applyWhich statements about controlled and uncontrolled chain reactions are true?Multiple select question.A nuclear fission bomb is an example of an uncontrolled chain reaction.In an uncontrolled chain reaction, an enormous amount of energy is released in an instant.Chain reactions cannot be controlled.The chain reactions that take place in a nuclear power plant are uncontrolled.A chain reaction can be controlled by adding materials that absorb neutrons.

This question contains Statement −1 and Statement-2. Of the four choices given after the statements, choose the one that best describes the two statements.Statement - I:Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion. andStatement - IIFor heavy nuclei, binding energy per nucleon increases with increasing Z while for light nuclei it decrease with increasing Z.Statement −1 is false, Statement −2 is true.Statement - 1is true, Statement −2 is true; Statement −2 is correct explanation for Statement-1.Statement −1 is true, Statement −2 is true; Statement −2 is not a correct explanation for Statement-1.Statement −1 is true, Statement −2 is False.

Which of the following statements about nuclear reaction is correct? The reaction A Involves neutrons onlyB Takes place inside the nucleusC Is governed by temperature and pressureD Involves protons and electrons onlyPrevNext

Determine whether the following statement is true or false:Nuclear energy is released from uranium by burning it.

A single displacement chemical reaction can only occur if which of the following is true?There is no uncombined reactant element presentThe uncombined reactant element has a high enough degree of chemical activityThe uncombined reactant element can displace oxygen in waterThe uncombined reactant element has a high boiling point

Select all that applyNuclear fission differs from nuclear fusion. Select all the characteristics associated with fusion only.Multiple select question.A larger atomic nucleus is split into two or more smaller nuclei.Fusion is the primary energy-producing reaction in current nuclear reactors.Fusion is the primary energy-producing reaction in the sun.Two smaller atomic nuclei fuse into a larger nucleus.