Skip to content
    ELIELI Logo

    Waves and Optics: From Sound to Light

    Preview

    Understand wave behavior and light—interference, diffraction, and imaging basics.

    10 content steps
    4 quizzes
    ~210 minutes
    Popular

    Journey Overview

    Preview what you'll learn in this journey

    Journey Steps

    Preview
    1

    Content Step 1

    Content
    Wave basics: amplitude, wavelength, frequency, speed
    2

    Content Step 2

    Content
    Superposition and interference
    3

    Content Step 3

    Content
    Standing waves and resonance
    4

    Quiz 4

    Quiz
    Checkpoint Quiz
    5

    Content Step 5

    Content
    Sound waves: pitch, intensity, and Doppler effect
    6

    Content Step 6

    Content
    Electromagnetic spectrum overview
    7

    Content Step 7

    Content
    Geometric optics: reflection and refraction (Snell’s law)
    8

    Quiz 8

    Quiz
    Checkpoint Quiz
    9

    Content Step 9

    Content
    Lenses and mirrors: imaging and magnification
    10

    Content Step 10

    Content
    Polarization and Malus’s law (conceptual)
    11

    Content Step 11

    Content
    Young’s double‑slit and interference fringes
    12

    Quiz 12

    Quiz
    Checkpoint Quiz
    13

    Content Step 13

    Content
    Diffraction and resolving power
    14

    Quiz 14

    Quiz
    Checkpoint Quiz

    Ready to Start Learning?

    Sign in to start learning and track your progress.

    Interactive Learning

    Engage with content through explanations and quizzes

    Progress Tracking

    Track your learning progress and achievements

    Earn XP

    Gain experience points as you complete steps