A mirror has focal length f equal to positive 10 centimetre is it convex or concave
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it is concave mirror if it. is of 10 cm
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ANSWER :
Clearly, it is written in the question itself that the focal length is positive 10 centimetres. And we know that for any converging mirror, focal length remains positive.
Whereas if focal length would have had negative in the question, we would consider the element to be diverging.
It is important to note that the converging elements are known as concave and the diverging elements are known as convex.
Hence, since the focal length is positive 10 centimeters, we can easily determine that the mirror is converging mirror or a concave mirror.
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