Question

What is the depression of light?​

Answer 1

Answer:

Light therapy is a way to treat seasonal affective disorder (SAD) and certain other conditions by exposure to artificial light. SAD is a type of depression that occurs at a certain time each year, usually in the fall or winter. During light therapy, you sit or work near a device called a light therapy box.

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Answer 2

Answer:

when the white light of sunlight passes through a prism it split into 7 colour it is called depression of light.