Step 1 · Read the article
Open the article and read it at the level above. Then answer the questions below in your own words.
https://smallwhale.org/articles/node-physics
Step 2 · Questions
1. What is the formation mechanism?
2. What is the mathematical condition?
Step 3 · Words to know
Write what each word means, using the article.
Superposition Principle
Boundary Conditions
Harmonics
Step 4 · Two facts in your own words
Do not copy the article. Write two things you learned, the way you would explain them to a friend.