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How mirror can be identified by observing the values of the magnification?

How mirror can be identified by observing the values of the magnification? If an object is placed within the focal length of a mirror, the image of the object will get magnified in case of a concave mirror, and will get diminished in case of a convex mirror. The value of magnification will be greater than 1 in case of a concave mirror, and less than 1 in case of a convex mirror.

Tooth-Brushing

Tooth-Brushing

First, wet the toothbrush and put some toothpaste with fluoride in it on the toothbrush. Then, we brush the teeth vigorously from side to side for quite a while. At the same, time we make sure that the insides of the teeth are thoroughly cleaned. 

Finally, we rinse several time the toothpaste foam and the food debris out of the mouth.

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