To calculate: Ratio of the reflecting area of the mirror with a hole to the reflecting area of the same mirror without the hole.
Answer to Problem 13.8APP
Ratio of the reflecting area of the mirror with a hole to the reflecting area of the same mirror without the hole is
Explanation of Solution
Given:
Diameter of concave mirror =
Diameter of hole =
Formula used:
Area of a circle is given by,
Where r is radius.
Calculation:
For the concave mirror,
Area is calculated as:
For the hole,
Area is calculated as:
Area of reflecting surface of the concave mirror with the hole is,
Ratio of the reflecting area of the mirror with a hole to the reflecting area of the same mirror without the hole is calculated as:
Conclusion:
Ratio of the reflecting area of the mirror with a hole to the reflecting area of the same mirror without the hole is
Chapter SH Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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