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An object 6cm in length held 35cm away from a converging lens of focal length 10cm. Find the position and size of the image. A. Image distance= -12.72cm , height of the image= +2.18cmB. Image distance= 40.6cm , height of the image= -0.62cmC. Image distance= -40.6cm , height of the image= 0.62cm D. Image distance= 12.72cm , height of the image= -2.18cm |
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Answer» OBJECT distance=-35 cm Focal length=10 cm object height=6cm By LENS formula 1/v-1/u=1/f 1/v=1/f+1/u 1/v=1/10-1/35 1/v=5/70 1/v=1/14 v=14cm magnification=v/u 14/-35=-0.4 m=height of image/height of object -0.4=height of image/6 Height of image=0.24 |
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