what is the difference between image formed by large and small mirror?
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Explanation: Plane mirror forms image exactly the same size as the object is. ... So the difference in size of the image of the same object formed by a small and large plane mirror will be zero.
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Two-way mirrors work on a principle of light intensity. If the light intensity is the same on both sides of the glass, the mirror will look like a normal piece of glass. But when the light is bright on one side, and much darker on the other, the glass will look like a mirror to the people on the brighter side.
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If the inner side of the spherical mirror is reflecting, it is called a concave mirror. If the outer side of the spherical mirror is reflecting, it is called a convex mirror. Concave mirrors can form inverted and real images and also virtual and erect images.
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Mirrors help reflect light and make a room feel larger at the same time. In rooms with little sunlight, add a large mirror on the wall above a fireplace, over a sofa or behind a bed to make the room feel lighter. The reflectivity of mirrors makes them a perfect decorating tool when sunlight is at a minimum.
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In case of spherical mirrors (both concave and convex), there will be no change in the focal length of the mirrors when immersed in water. This is because the focal length of mirrors does not depend on the external medium in which it is held.
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A mirror image is the result of light rays bounding off a reflective surface. When people look into a mirror, they see an image of themselves behind the glass. ... The mirror does not reverse the image left to right; it reverses it front to back. For example, if you are facing north, your reflection is facing south.
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A convex mirror is opaque whereas a convex lens is transparent. ... A convex mirror forms only virtual, diminished and erect images for all positions of the object, whereas a convex lens can form both real, inverted images of various sizes and virtual, erect and enlarged images depending on the position of the object.
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A combination of concave and convex mirrors and lenses is used to collect a larger area of light and focus it onto a smaller, possibly brighter image surface. Concave mirrors in particular would be used in the collection and focus of the initial light received.
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If the image and object are on the same side of the lens, the image distance is negative and the image is virtual. For converging mirrors, the focal length is positive. ... Note that in certain cases involving more than one lens the object distance can be negative.
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The distance from the pole to the focal point is called the focal length (f). The focal length of a spherical mirror is then approximately half its radius of curvature. It is important to note up front that this is an approximately true relationship. ... Convex mirrors are diverging mirrors .
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The focal length of a spherical mirror is not affected when it is immersed in water - it remains same. Laws of reflection are independent of medium and hence reflection takes place in any medium without the change of focal length. But, in case of LENS, the focal length changes.
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Standard full-length sizes are 36, 40 and 48 inches. The longer the mirror is, the closer you can stand to it and still see your entire reflection. This is an important factor to keep in mind if you will be placing the mirror in an area with limited space.
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A specular reflection is what you get from a polished surface, or mirror. It is clear, and you can see "through" the mirror. A diffuse reflection is what you get from a white wall. The light is bounced of it, but in random directions so you cannot see the light source in the reflection.
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The difference between the two types of lenses is that while polarized lenses removes glare from hard, reflective surfaces, mirrored lenses reduce glare from water, metal and other hard surfaces.
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Light rays from infinity, parallel to the principal axis, thus meet at the a point on the principal axis on the side of the mirror which is towards the object. This distance is considered as negative since it is on the side of the object. Hence the focal length of a concave mirror is negative.
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The focal length of a mirror is given by f2​=v1​−u1​.
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A lens is a transparent medium, so distances can be measured in one direction. But a mirror is a reflecting surface so the rays return towards the origin, so the rays suffer a reversal of direction. So the sign difference is necessary in a mirror formula as against a lens formula.