A Concave Mirror Has a Focal Length of 20 Cm

question 43

Multiple Choice

A concave mirror has a focal length of 20 cm. What is the magnification if the object and image distances are 10 cm and −20 cm respectively?

• A) 1
• B) 2
• C) 1/2
• D) 1/4
• E) −1/2

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Whirlpool Company

A global manufacturer and marketer of home appliances known for producing refrigerators, washing machines, and other domestic appliances.

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