NEET (UG)

ICSE Class 10 Nuclei — Mock Test (2027)

Free online mock test for Nuclei (ICSE Class 10 Physics) — 72 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.

What to expect: This mock test covers key concepts from the Nuclei chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.

Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.

Sample questions

  1. 1.Using 1 u = 931.5 MeV/c^2, the energy equivalent of a mass of 2 u is:
    • A.465.75 MeV
    • B.931.5 MeV
    • C.1863 MeV
    • D.3726 MeV
  2. 2.For the reaction C-12 + C-12 -> Ne-20 + He-4 with m(C-12) = 12.000000 u, m(Ne-20) = 19.992439 u, m(He-4) = 4.002603 u, the Q value is about +4.6 MeV. The reaction is:
    • A.Endothermic
    • B.Exothermic
    • C.Q = 0
    • D.Impossible
  3. 3.The mass defect of the O-16 nucleus is 0.13691 u. Expressed in energy units (1u = 931.5 MeV/c^2), the energy needed to separate it into its constituents is about:
    • A.127.5 MeV
    • B.931.5 MeV
    • C.13.7 MeV
    • D.16.0 MeV
  4. 4.Assertion (A): The binding energy per nucleon is nearly constant in the range 30 < A < 170. Reason (R): The nuclear force is short-ranged, so a nucleon interacts only with its nearest neighbours (saturation).
    • A.Both A and R are true and R is the correct explanation of A
    • B.Both A and R are true but R is NOT the correct explanation of A
    • C.A is true but R is false
    • D.A is false but R is true
  5. 5.The binding energy of an iron-56 nucleus is about 492 MeV. Its binding energy per nucleon is approximately:
    • A.4.4 MeV
    • B.7.1 MeV
    • C.8.8 MeV
    • D.9.8 MeV

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