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Structure of Atomic Nucleus MCQs

Prepare for Structure of Atomic Nucleus MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: Structure of Atomic Nucleus

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

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Master Structure of Atomic Nucleus MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for Structure of Atomic Nucleus.
Past Papers
Includes frequently repeated questions from past examinations.
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Preparation Guide & Key Focus Areas for Structure of Atomic Nucleus MCQs

When preparing for Structure of Atomic Nucleus MCQs (Physics), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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751
For an electron or positron, the rest-mass energy is equal to
752
If atomic mass of iron is 55.9, then the mass of an iron atom on the average be:
753
Which of the following statements are true regarding radioactivity? (I) All radioactive elements decay exponentially with time (II) Half life time of a radioactive element is time required for one half of the radioactive atoms to disintegrate (III) Age of earth can be determined with the help of radioactive dating (IV) Half-life time of a radioactive element is fifty percent of its average life period. Select the correct answer using the codes given below.
754
Velocity of electron moving in first orbit of hydrogen is
755
Radio-isotopes used for the treatment of the cancer of thyroid gland is:
756
The ratio of the rate of decay of a parent atom to the number of radioactive nuclei present at that time is equal to:
757
Who was awarded Nobel prize for predicting meson?
758
Compton found by his scattering experiment that the wavelength of scattered x-rays is:
759
Fast neutrons can easily be slowed down by
760
When alpha particles are directed at a skinny metallic foil, it can be noted that most of the particles pass through with practically no