A Person's Face Is 30 Cm in Front of a Concave

question 97

Multiple Choice

A person's face is 30 cm in front of a concave spherical shaving mirror.If the image is an erect image that is 1.5 times as large as the object,what is the focal length mirror?

• A)20 cm
• B)50 cm
• C)70 cm
• D)90 cm

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Electronic documents or data saved in a digital format, accessible through computers or other digital devices.

Business Meeting

A gathering of individuals within or across organizations to discuss business-related matters and make decisions.

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A portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.

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Informal dialogues that occur between colleagues within a professional environment on a variety of topics.