The study of chemicals and bonds is called chemistry.
The correct answer is B.
A wave is defined as a propagating dynamic disturbance of one or more quantities, sometimes as described by a wave equation.
The Data is given in the diagram of the question.
The visible waves are those waves by which it can help to see anything in the atmosphere and to see that thing we used a telescope to see in the universe. To see the things in the visible rays we have to use the visible telescope.
Hence, the correct answer is B that is a visible light telescope.
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https://brainly.com/question/12985618