A Concave Mirror Forms a Real Image Which Is Twice

question 52

Multiple Choice

A concave mirror forms a real image which is twice the size of the object.If the object is 20 cm from the mirror, the radius of curvature of the mirror must be about:

• A)13 cm
• B)20 cm
• C)27 cm
• D)40 cm
• E)80 cm

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Domesticated

In legal terms, this involves the process by which a foreign judgment or legal decision is recognized and can be enforced within the jurisdiction of another country or state.

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Occurrences where something becomes invalid because a condition has not been met or time has expired, often used in insurance for policy expirations.

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The failure to fulfill a legal obligation, especially the failure to pay back a loan on time or to appear in court when required.

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A Cabinet-level department of the United States government that oversees federal education policy and administers federal assistance to schools and students.