Index of refraction question-.

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SUMMARY

The discussion focuses on calculating the index of refraction for a convex lens with a focal length of 34.2 cm and radii of curvature of 30.0 cm and 40.0 cm. The relevant formula used is 1/f = (n-1)(1/R1 + 1/R2). By substituting the given values into this formula, users can determine the index of refraction (n) and identify the type of glass used for the lens.

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  • Concept of index of refraction
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AlanxD
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Suppose a convex lens is ground so that one surface has a radius of curvature of 30.0 cm and the opposing surface has a radius of curvature of 40.0 cm. The focal length is 34.2cm. What is the index of refraction of the lens? What kind of glass is the lens?

Need help by using the formula
1/f=(n-1)(1/R1+1/R2).
 
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oops nvm. Lemme repost.
 

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