what is method of example that an object of height 7 cm is kept at a distance of 25 cm in front of a concave mirror. The focal length of the mirror is 15 cm. At what distance from the mirror should a screen be kept so as to get a clear image ? what will be the size and nature of the image ?
an object of height 7 cm is kept
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thut kobor gada u don't know or what
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