Question
The focal length of a concave mirror is 20 cm. Where
should an object be placed to get an image of the same size?Solution
For a concave mirror, an image equal in size and real is formed when the object is placed at the center of curvature. The center of curvature is at a distance 2f = 40 cm, so half that is 20 cm from the mirror. At this position, image is real, inverted, and same size. Hence, the correct position is at 20 cm.
According to five kingdom classification, bacteria belong to kingdom
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Given below are two statements:
Statement I: A pureline variety is a variety which obtained from many heterozygaus plants of cross pollinated cro...
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Indole 3-pyruvate is the primary intermediate of______ biosynthesis.
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