With reference to the radioactivity, which of the following statements is/are correct ?  1. Radioactivity is a nuclear property.  2. Hydrogen bomb is prepared on the principle of nuclear fission.  Select the correct answer using the codes given below. Codes :   1 point(a) Only 1(b) Only 2(c) Both 1 and 2(d) Neither 1 nor 2

Which of the following statements is/are correct? Choose all that apply.

Which of the following statements is correct?

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

Which one of the following statements is incorrect for hydrogen?a.consist of a single proton and a single electron,b.exists freely in naturec.hydrogen fuel produces zero greenhouse gas emissiond.most abundant element in nature

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.