A split-screen illustration showing two scenes: on the left, a close-up of a guitar string being plucked, with visible wave patterns along the string, labeled with ‘vibration’, ‘frequency’, and ‘wavelength’; on the right, a spectrum of light from red to violet, with arrows showing increasing frequency and decreasing wavelength, labeled with ‘light spectrum’, ‘energy’, and ‘color’. The style is clean, educational, and slightly artistic, with soft colors and clear labels Mehr sehen