A Concave Mirror Has a Focal Length of 20 Cm

question 41

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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Economic Development

The method through which a country enhances its citizens' economic, political, and social conditions.

Limited Partnership

A business arrangement where one or more partners are liable only up to the amount of their investment, while at least one partner has unlimited liability.

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The concept that an entity, usually a corporation, continues to exist indefinitely until it is legally dissolved, regardless of changes in ownership or management.

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