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If a concave mirror converges light then why does it show large images please explain me briefly?
Ref: https://edurev.in/question/677528/If-a-concave-mirror-converges-light-then-why-does-it-show-large-images-please-explain-me-briefly-
Concave Mirror:
If a hollow sphere is cut into parts and the outer surface of the cut part is painted. Then it becomes a mirror with its inner surface as the reflecting surface This kind of mirror is known as concave mirror. Light converges at a point when it strikes and reflects back from the reflecting surface of concave mirror. Hence, it is also known as converging mirror. When concave mirror is placed very close to the object, a magnified and virtual image is obtained. But if we increase the distance between the object and the mirror then the size of the image reduces and a real image is formed. So the image formed by concave mirror can be small or large and it can also be real or virtual.
Concave Mirror Ray Diagram :
- When an object the is placed at infinity, a real image is formed at the focus. The size of the image is much smaller as compared to that of the object.
- When an object is placed behind the center of curvature, a real image is formed between the center of curvature and focus. The size of the image is smaller as compared to that of the object.
- When an object is placed at the center of curvature and focus, the real image is formed at the center of curvature. The size of the image is 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 smaller as compared to that of the object.
- When an object is placed at the focus, the real image is formed at infinity. The size of the image is much larger as compared to 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 as compared to that of the object.
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Jan 07, 2025
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