how will we know that when will the size of image change in a concave mirror's ray diagram?
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Explanation:
when the magnification is equal to one then the image size is equal,if the magnification is less than one then it is dimnished,if the magnification is more that one then the image is enlarged.
if the magnification is positive then the image is virtual and erect,if it is negative then the image is real and inverted.
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Answer:
By placing object nearest the mirror and far off the mirror.
Explanation:
when the object is nearest then image size is larger.
when the object is far then image size is smaller.
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