Modern Physics Practice Test
20 questions. No registration required.
Practice PSEB Class 12 Physics Modern Physics with a free 20-question MCQ test. Review the photoelectric effect, photons, de Broglie matter waves, Rutherford and Bohr atomic models, hydrogen energy levels, atomic spectra, nuclei, radioactivity, mass defect, binding energy, nuclear fission and fusion, semiconductors, p-n junctions, semiconductor diodes, forward and reverse bias, and rectifiers. Check your result instantly, read detailed explanations, and repeat the test for focused revision. No registration is required.
20 questions. No registration required.
Modern Physics introduces ideas that extend beyond the classical description of light, matter, atoms, and electrical conduction. This Class 12 Physics practice test provides a focused MCQ-based revision activity for students reviewing the dual nature of matter and radiation, atomic and nuclear physics, and basic semiconductor electronic devices.
Questions from this area may require students to explain the photoelectric effect, connect photon energy with radiation, interpret de Broglie matter waves, compare atomic models, understand energy levels and atomic spectra, analyse nuclear properties, or identify the behaviour of semiconductor devices.
Use this 20-question practice test to check your understanding before broader Class 12 Physics revision. After completing the test, review every incorrect or uncertain answer, identify the modern physics concept or relationship that caused difficulty, and repeat the topic after revision.
Focus on quantum ideas, atomic and nuclear physics, semiconductors, and basic electronic devices.
Review electron emission, the photoelectric effect, Hertz and Lenard observations, experimental features of the photoelectric effect, Einstein's photoelectric equation, the photon, the particle nature of light, matter waves, the wave nature of particles, and the de Broglie relation.
Practice Rutherford's atomic model, the Bohr model of the hydrogen atom, electron orbits, energy levels, the hydrogen line spectrum, atomic spectra, nuclear composition, isotopes, isobars, isotones, radioactivity, mass defect, binding energy, fission, and fusion.
Review conductors, insulators, semiconductors, energy bands, intrinsic and extrinsic semiconductors, p-type and n-type materials, p-n junctions, semiconductor diodes, forward and reverse bias, I-V characteristics, and diode rectifiers.
Before repeating the test, make sure you understand the physical meaning of the main Modern Physics ideas. Many questions require students to compare classical and modern explanations or identify how energy, matter, radiation, atoms, nuclei, and semiconductor materials behave.
Modern Physics contains many related concepts that use similar terms. When reviewing your test result, check whether one of these common mistakes affected your answer:
Turn a 20-question MCQ test into a focused Class 12 Physics revision session.
Answer the full test without checking notes so that uncertain Modern Physics concepts are easier to identify.
Decide whether the question concerns photons and matter waves, atoms and nuclei, or semiconductor devices.
Read explanations for incorrect answers and correct answers that were based on guessing.
Review the difficult concept, model, or physical relationship and complete the practice test again.
Common questions about this PSEB Class 12 Physics Modern Physics practice test.