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Composition and Size of the Nucleus for GUJCET: 18 solved questions

Real GUJCET paper questions on composition and size of the nucleus, part of nuclei. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2007 to 2026. No sign-in needed to read them.

What this topic asks

• Nuclear radius and density — 10 questions
• Composition, isotopes and isobars — 8 questions

All 18 questions with solutions

• A nucleus at rest splits into two nuclear parts having same density and radii in the ratio 1:2. Their velocit… GUJCET 2007
• If the radii of nuclei of ²⁷₁₃Al and ⁶⁴₃₀Zn are R₁ and R₂ respectively, then (R₁)/(R₂)= . GUJCET 2009
• The value of average density of nucleus is times that of water. GUJCET 2013
• If the radii of ⁶⁴₃₀Zn and ²⁷₁₃Al nuclei are R₁ and R₂ respectively then, (R₁)/(R₂)= . GUJCET 2019; GSEB Board July 2018
• The nucleus of gold is about times heavier than an α-particle. GUJCET 2020
• What should be the ratio of neutron and proton for stability of heavy nucleus ? GUJCET 2021
• Some atomic species of the same element differing in mass are called . GUJCET 2024
• The ratio of the nuclear radii of the ¹₁H and ²⁷₁₃Al is . GUJCET 2024
• pair is called isotones. GUJCET 2025
• The nuclides of ¹⁹⁷₇₉Au and ¹⁹⁸₈₀Hg are called of each other. GUJCET 2026
• The nuclear radius of hydrogen atom will be . GUJCET 2026
• How many protons, neutrons and nucleons respectively present in the nucleus of ²⁰⁶₈₂Pb. GSEB Board July 2016
• If the radii of ²⁷₁₃Al and ⁶⁴₃₀Zn nucleus are R₁ and R₂ respectively, then (R₁)/(R₂)= _. GSEB Board July 2017
• Which are the isotone, isobar and isotope nuclei respectively of ¹²₆C from among ¹⁴₆C, ¹²₅B, ¹³₇N ? GSEB Board March 2019
• How many neutrons, protons and nucleons respectively is the ²⁰⁶₈₂Pb nucleus made up of ? GSEB Board March 2020 (old course)
• Obtain approximately the ratio of the nuclear radii of the gold isotope ¹⁹⁷₇₉Au and the silver isotope ¹⁰⁷₄₇A… GSEB Board August 2020
• The radius of the nucleus of ²⁷₁₃Al is . GSEB Board March 2022
• Which are the isotope, isotone and isobar nuclei respectively of ¹²₆C from among ¹⁴₆C, ¹²₅B and ¹³₇N? RS Academy GUJCET booklet