Given: magnification, m = -1
Image distance, v =50 cm
Since magnification is negative, it means that the image formed is real and inverted.
So, v = -50 cm
magnification is given by,
Therefore, u =-50 cm
(a) As image formation is on the screen and is a real image. Therefore, the mirror will be concave mirror.
(b) The distance of the image from the object will be -50 cm.
(c) Applying the lens formula:
so, f= -25 cm
(d) The ray diagram will be as follows:
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