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conrad136 conrad136
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3 months ago

A mirror has a focal length −20 cm. If an object is placed 10 cm in front of the mirror, where will the image form?



20 cm in front of the mirror



20 cm behind the mirror



6.7 in front of the mirror



6.7 behind the mirror



no image will form

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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rion20000rion20000
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3 months ago
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conrad136 Author
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3 months ago
You make an excellent tutor!
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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2 hours ago
this is exactly what I needed
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