Activity 3 the color visible spektrum objectives: 1. relate wavelength and frequency of the visible light. 2. describe the order of colors base on wavelength, frequency and energy. materials: light spectrum picture with data of frequency. wavelength and płoton energy procedure: 1. examine the figure of the visible light spectrum. record your observation in the table following the format below: colors red orange yellow green blue indigo violet frequency (hz) wavelength(nm) photon energy(v)