Spherical Mirrors: Image Formation with Concave Mirrors - Calculation Example

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SUMMARY

The discussion focuses on the image formation of a concave mirror, specifically calculating the image distance for an object placed 8 cm from the mirror. The image of the Moon is located 6 cm from the mirror, which is treated as the focal point (f). By applying the mirror equation, the user confirms that using f=6 cm and the object distance of 8 cm will yield the correct image distance for the coin.

PREREQUISITES
  • Understanding of concave mirrors and their properties
  • Familiarity with the mirror equation: 1/f = 1/do + 1/di
  • Basic knowledge of image formation in optics
  • Ability to perform algebraic calculations
NEXT STEPS
  • Study the mirror equation in detail and practice with various object distances
  • Explore the differences between concave and convex mirrors
  • Learn about the significance of focal length in image formation
  • Investigate real-world applications of concave mirrors in optics
USEFUL FOR

Students studying optics, physics educators, and anyone interested in understanding the principles of image formation with concave mirrors.

slyman
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A concave mirror reflects an image of the Moon 6 cm form the mirror. If a coin is placed 8 cm from the same mirror, where will its image be?

I just want to make sure of something. Since the Moon is very far from the mirror, f is simply the image distance of the Moon. Therefore, all I have to do is plug in f=6 and the object distance=8 in the mirror equation to find the image distance.
 
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