ICSE Class 10 Dual Nature of Radiation and Matter — Mock Test (2027)
Free online mock test for Dual Nature of Radiation and Matter (ICSE Class 10 Physics) — 87 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 Dual Nature of Radiation and Matter 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
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1.Assertion (A): The classical wave theory of light cannot explain the existence of a threshold frequency. Reason (R): In the wave picture a sufficiently intense beam of any frequency should, over time, supply enough energy for emission.
- 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
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2.Below a certain minimum frequency of incident light, no photoelectric emission occurs no matter how intense the light. This frequency is the:
- A.Saturation frequency
- B.Threshold (cut-off) frequency
- C.Resonant frequency
- D.Larmor frequency
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3.Applying a very strong electric field (of the order of 10^8 V/m) to a metal to pull out electrons is known as:
- A.Thermionic emission
- B.Field emission
- C.Photoelectric emission
- D.Thermal emission
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4.The momentum of a photon of a 500 nm light wave is (h = 6.63 x 10^-34 J s):
- A.1.33 x 10^-27 kg m/s
- B.3.32 x 10^-19 kg m/s
- C.6.63 x 10^-27 kg m/s
- D.1.33 x 10^-34 kg m/s
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5.When light of energy 4.0 eV per photon is incident on a metal of work function 2.5 eV, the stopping potential required to halt the most energetic photoelectrons is:
- A.1.5 V
- B.6.5 V
- C.2.5 V
- D.4.0 V
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