write the three laws that govern convex lenses
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Your Solution:
Convex Lenses
• When an object is placed at infinity, the real image is formed at the focus. The size of the image is much smaller than that of the object.
• When an object is placed behind the center of curvature, the real image is formed between the center of curvature and focus. The size of the image is the same as compared to that of the object.
• When an object is at the center of curvature, the real image is formed at the other center of curvature. The size of the image is the same as compared to that of the object.
• When an object is placed in between the center of curvature and focus, the real image is formed behind the center of curvature. The size of the image is larger than that of the object.
• When an object is placed at the focus, a real image is formed at infinity. The size of the image is much larger than that of the object.
• When an object is placed in between focus and pole, a virtual image is formed. The size of the image is larger than that of the object.
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Answer:
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Explanation:
This type of lens is thicker at the center and thinner at the edges.
An optical lens is generally made up of two spherical surfaces. If those surfaces are bent outwards, the lens is called a biconvex lens or simply convex lens. These types of lenses can converge a beam of light coming from outside and focus it to a point on the other side. This point is known as the focus and the distance between the center of the lens to the focus is called the focal length of convex lens. However, if one of the surfaces is flat and the other convex, then it is called a plano-convex lens