PRACTICE EXERCISE 1: Think of a scenario where you observed the wave-like property of light. Illustrate it with own words.

PRACTICE EXERCISES 2: Answer with own words.

1. How did Thomas Young prove that light is a wave?

2. What does the equation E = hf signify about the property of light?

3. What did Einstein say about the particle-like property of light?

PRACTICE EXERCISE 3:

DIRECTIONS: Identify the level of wavelength of visible light and its energy using the numerals from 1-7. Wherein 1 is shortest and 7 is the longest. VISIBLE LIGHT WAVELENGTH ev RED ORANGE YELLOW GREEN BLUE INDIGO VIOLET 1. What is the wavelength level of red? In addition its energy level? 2. What is the wavelength level of violet? In addition its energy level? 3. Based on your answer, what is the relation of wavelength with energy?PRACTICE EXERCISE NO.2 Directions: Identify the level of frequency of visible light and its energy using the numerals from 1-7. Wherein 1 is lowest level and 7 is the highest level. VISIBLE LIGHT FREQUENCY ev RED ORANGE YELLOW GREEN BLUE INDIGO VIOLET 1. What is the frequency level of red? In addition, its energy level? 2. What is the frequency level of violet? In addition, its energy level? 3. Based on your answer, what is the relation of frequency with energy