1.

visible light consist of rays with wave length in the approximate range of plese don't say just 400 to 800 something like that i need the correct one ​

Answer»

Answer:

Visible light consists of rays with wavelengths in the approximate RANGE of 4000 A˚ to 7500 A˚. This CORRESPONDS to 4 ×10−7 m to 7.5 ×10−7 m . This also corresponds to 4 ×10−5 cm to 7.5 ×10−5 cm. This also corresponds to 400 nm to 750 nm.

Explanation:

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