Mathematics · Light - Reflection and Refraction
An object is placed 20 cm in front of a concave mirror with a focal length of 10 cm. Using the mirror formula, what will be the image distance?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 130 cm
- 2-20 cm✓
- 315 cm
- 4-30 cm
Correct answer
-20 cm
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