Question 11 MarkThose atoms which have the same atomic number but different mass number are called :Answer(c) - isotopesView full question & answer→
Question 21 MarkRutherford proved the existence of nucleus in atom by scattering of $\alpha$-particles from gold foil. On the nucleus was :Answer(a) - Positive chargeView full question & answer→
Question 31 MarkSize of nucleus:Answer(c) - The mass of the atom is proportional to the cube root of number (A).View full question & answer→
Question 41 MarkFor the stability of radiated nucleus:Answer(a) - The binding energy per nucleon should be high.View full question & answer→
Question 51 MarkThe binding energy of a nucleus is equal to :Answer(c) - mass loss of nucleusView full question & answer→
Question 61 MarkThe Sun receives its radiation energy from :Answer(d) - Through fusion processView full question & answer→
Question 71 MarkThe energy generated in nuclear fusion is called :Answer(c) - Thermonuclear energyView full question & answer→
Question 81 MarkI a.m.u. is equivalent to the energy of :Answer(c) - 931 MeVView full question & answer→
Question 91 MarkFusion process takes place at high temperature because at high temperature :Answer(d) - The nuclei get so much energy that they can overcome the repulsion force between the nuclei,View full question & answer→
Question 101 MarkThe binding energy per nucleon for the parent nucleus is $E _1$ and for the decayed nuclei is $E _2$. Then :Answer(c) - $E _2> E$View full question & answer→
Question 111 MarkWhich scientist discovered the neutron?Answer(c) - ChadwickView full question & answer→
Question 121 MarkOne of the specialties of nuclear reactions is that in their disintegrated or fused part :Answer(b) - The total charge number changes.View full question & answer→
Question 131 MarkThe size of the nucleus is approximately :Answer(b) - $10^{-15}$ metersView full question & answer→
Question 141 MarkThe binding energy per nucleon of the nucleus from mass number 40 to 120 is :Answer(d) - 8.5 MeVView full question & answer→
Question 151 MarkThe binding energy per nucleon of helium is :Answer(b) - 7.0 MeVView full question & answer→
Question 161 MarkFor which nucleus will the value of binding energy per nucleon be maximum?Answer(a) - $_{26} Fe ^{56}$View full question & answer→
Question 171 MarkAn atomic mass unit (amu) will be equal to :Answer(a) - 12th part of the mass of carbon atomView full question & answer→
Question 181 MarkThe binding energy per nucleon in a nucleus shows:Answer(a) - its stabilityView full question & answer→
Question 191 MarkThe fundamental particles of the nucleus of an atom are :Answer(a) - Neutron and protonView full question & answer→
Question 201 MarkThere is a relation between the radius (R) of the nucleus of an atom and the mass number (A) of the atom :Answer(b) - $R = R _0 A^{1 / 3}$View full question & answer→
Question 211 MarkThe nature of effective nuclear forces is :Answer(c) - Strong force of attractionView full question & answer→
Question 221 MarkThe mean age of neutron is :Answer(b) - About 1000 secondsView full question & answer→
Question 231 MarkThe radius of the nucleus is smaller than the radius of the atom, approximately :Answer(b) - $10^4$ PartView full question & answer→