AFOQT Exam Prep 51, Waves, Sound, and Light

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to apply the wave equation (v = fλ) to solve for speed, frequency, or wavelength. - The critical difference between mechanical waves like sound, which need a medium, and electromagnetic waves like light, which do not. - A mnemonic to memorize the order of the electromagnetic spectrum from lowest to highest frequency. - The core principles of reflection (bouncing) and refraction (bending) and how they are tested conceptually on the AFOQT. - Common exam traps, such as confusing the inverse relationship between frequency and wavelength or mixing up reflection and refraction. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

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This episode was published on June 18, 2026.

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