ICSE Class 10

ICSE Class 10 Modern Physics — Mock Test (2027)

Free online mock test for Modern Physics (ICSE Class 10 Physics) — 20 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 Modern Physics 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.What are the three types of radiations emitted by radioactive substances, and what are their respective charges?
    • A.Alpha (positive), beta (negative), gamma (neutral)
    • B.Alpha (negative), beta (positive), gamma (neutral)
    • C.Alpha (neutral), beta (positive), gamma (negative)
    • D.Alpha (positive), beta (neutral), gamma (negative)
  2. 2.A nucleus $_{n}^{m}X$ emits one α-particle and one β-particle. What are the mass number and atomic number of the product nucleus?
    • A.Mass number: $m - 4$, Atomic number: $n - 1$
    • B.Mass number: $m - 4$, Atomic number: $n + 1$
    • C.Mass number: $m$, Atomic number: $n - 1$
    • D.Mass number: $m - 2$, Atomic number: $n - 1$
  3. 3.Which of the following radiations travels with the speed of light?
    • A.Alpha radiation
    • B.Beta radiation
    • C.Gamma radiation
    • D.Sound waves
  4. 4.Which of the following correctly describes beta rays and gamma rays?
    • A.Beta rays are electrons of nuclear origin; gamma rays are high-energy electromagnetic radiations
    • B.Beta rays are protons; gamma rays are neutrons
    • C.Beta rays are helium nuclei; gamma rays are X-rays
    • D.Beta rays are positrons; gamma rays are alpha particles
  5. 5.An element ${}_{z}S^{A}$ decays to ${}_{85}R^{222}$ after emitting $2\alpha$ particles and $1\beta$ particle. Find the atomic number and atomic mass of the element $S$.

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