When an object is kept between pole and focus of a concave mirror Which of the following can be the possible value for magnification of the image formed?

Text Solution

Solution : Equation of a concave mirror, `(1)/(v) + (1)/(u) = (1)/(f)` <br> `therefore " " (1)/(v) + (2)/(f) = (1)/(f) [therefore u = (f)/(2)]` <br> `or, " " (1)/(v) = (1)/(f) - (2)/(f) = - (1)/(f)` <br> `therefore` The image will be formed at a distance f behind the mirror. <br> `therefore` Magnification , `m = (v)/(u) = (f)/((f)/(2)) = 2` <br> [considering mode value of m]

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