Suppose that the speed of yellow visible light in a certain transparent medium is 2.01* 105 km/s. What, approximately, is the index of refraction of this substance for yellow light

Explanation:

Index of refraction:

where is the refractive index, is the speed of light in vacuum and is the speed of light in medium.

The speed of light in vacuum is

Speed of light in medium is

Thus,

Index of refraction of this substance through yellow light is

colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum. this area of abnormal cells is called dysplasia and is more commonly seen in people with certain inflammatory diseases of the bowel such as crohn's disease or ulcerative colitis.

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