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8. An object is placed at a distance 3f72 from a concave mirror of focal length 'f'. Findand inverted, h = -5 cmnosition of image in terms of t. What is the magnification and nature of image 10od

Answer»

u=-3f/2 after sign conventionsv=?f=-fby mirror formula:1/f=1/v+1/u1/v=1/f-1/u=-1/f-2/3f=(-3+2)/3f=-1/3fv=-3f image is beyond Cthus, m=-v/u=+3f/(-3f/2)=-2m=-2Image is real, inverted and magnified.



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