Given : focal length=f=-10cm ,object distance =u=-30cm ,height of the image =h2=-5cm ,
image distance =v=? height of the object =h=?
According to the mirror formuka
Magnification
Rajshree has to place the screen 15 cm to the left of the mirror
The height of the object is 1p cm. this the image will be real and diminished.
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