Write similitaries differences between the images formed by convex lens and concave lens?
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Answer:
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Explanation:
The image from a concave lens is always virtual and erect. While the real and inverted image is formed from a convex lens. However, in case the object is very near to the lens then the resultant image is virtual, erect, and magnified.
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Answer:
Similarities :
BOTH LENSES REFRACT LIGHT. Rays that are obliquely incident on the surface of a lens REFRACT while traveling INSIDE the lens.
Incident rays that are PARALLEL to the principal axis REFRACT as well, but their point of convergence or divergence is a well-defined point, the FOCUS.
A ray parallel to the principal axis of either lens passes thru without any angular refraction, but the average speed of going across does slow down, which is refraction as well.
Another rarely used similarity is the ray that passes thru the VERTICAL axis of either lens. That ray proceeds without any “angular” refraction with the average speed slowing down.
Differences :
CONCAVE -The image formed is an upright, virtual, and smaller size than the object. The position of the image formed is in between the lens and the object regardless of the object’s position
CONVEX-The image formed is inverted, real, and smaller than the object when the object is placed at focus. The image formed is the inverted, real, and the same size as the object when the object is placed at 2F. The image formed is inverted, real, and larger than the object when the object is placed between 2F and F. No image is formed when the object is placed at focus (F). The image formed is upright, virtual, and larger than the object when the object is placed on the same side of the lens.
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