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trapecia [35]
3 years ago
10

1.Mention two uses of the concave mirror.

Physics
1 answer:
Anuta_ua [19.1K]3 years ago
8 0

Answer:

1. telescope

2.

f =  \frac{r}{2}

f =  \frac{r}{2}f- focal length

f =  \frac{r}{2}f- focal length r- the radius of curvature of the mirror

\frac{1}{f}  =   \frac{1}{p}  +  \frac{1}{l}

p-the distance of the object from the vertex of the mirror

l-the distance of the figure from the vertex of the mirror

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