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A chalkboard/book is an example of an object in the classroom that has a fixed end.

What is a classroom?

A classroom is a learning environment in an educational institution where the learning of career-building skills and the development of important personalities takes place.

In the classroom, there is usually an instructor or a teacher who teaches and coordinates the students in the classroom.

Assuming, the teacher is teaching on a physics subject called Wave.

  • An object in the classroom that has a fixed end and can reflect the incoming wave without penetrating it is a chalkboard or a book.

Learn more about a classroom here:

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