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A spherical concave mirror has a radius R=360 mm forms an image of a h(object)=12 cm high object located d0=p=0.9 m from the
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A convex lens of focal length 10 cm forms image of object placed 30 cm in front of the lens. Find the magnification?
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Communication-with communication children would be more open up to their parents therefore expressing themselves effectively and without communication parents and children would not know the direct point of view of their children hence drifting the
Let length of paper be l and width be b so (pi)r^2 b=48.125 r^2 = 48.125/ (pi)*b ..(I) l = 2(pi)r so r= l/2(pi).....(II) from I and II l^2/4(pi)^2 = 48.125/(pi)b solving we get l^2 b = 48.125 *4*(pi) taking value of pi as 22/7 we get l^2*b = 55 * 11 l^2*b

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