https://www.khanacademy.org/science/telangana-class-10-physical-sciencein/x1ac9c643dc8dffee:structure-of-atom/x1ac9c643dc8dffee:electromagnetic-spectrum/e/the-electromagnetic-spectrum-quiz 2021-06-05T01:54:18Z The electromagnetic spectrum quiz Try this quiz about the electromagnetic spectrum. NOVA exercise https://www.khanacademy.org/science/bmc-grade-9-science/x345505a97fc4a662:substances-in-daily-use/x345505a97fc4a662:radioactivity/e/alpha-beta-gamma-rays 2025-12-18T18:40:53.641757593Z Alpha, Beta, Gamma rays This exercise builds understanding of alpha, beta, and gamma radiations through fact-based and conceptual questions. Students explore their nature, charge, mass, penetrating power, and behavior in fields using MCQs, True/False items, and matchers. Yajurva Joshi exercise