A Concave Refracting Surface of a Medium with Index of Refraction

question 73

Multiple Choice

A concave refracting surface of a medium with index of refraction n produces a real image no matter where an object is placed outside:

• A)always
• B)only if the index of refraction of the surrounding medium is less than n
• C)only if the index of refraction of the surrounding medium is greater than n
• D)never
• E)none of the above

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