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In case of concave lens the edges will be thicker compared to the central part. Whereas the convex lens has edges so thin compared to the central part.
Concave lens would have only divergence effect. Parallel beam of light falling on one side of the concave lens after refraction would come out from the other side diverging out and so they appear to come from a point on the incident side of lens. So no real image is obtained. Thus the image will be a virtual image. If converging rays fall on the concave lens after refraction may be still converging but it convergence will be reduced a little bit and so instead forming a real image nearby the concave lens it will be formed somehow far away from the lens.
What else can I help you with?
Why would you use a concave Len?
A concave lens is used to correct myopia (nearsightedness) by diverging light rays before they enter the eye, helping to focus the image properly on the retina. It can also be used in optical devices like microscopes and cameras to spread out light rays.
What type of Len's convex or concave does a prism act like?
A prism acts like a piece of glass that has two flat, non-parallel surfaces. Each surface of a prism behaves like a lens - one surface is concave and the other is convex. The combined effect of these surfaces is to bend light as it passes through the prism.
Do a convex and concave mirrors obey the law or reflection Explain?
Yes, both convex and concave mirrors obey the law of reflection. The law of reflection states that the angle of incidence is equal to the angle of reflection. This means that light rays that strike a convex or concave mirror will follow this law and reflect off the mirror surface accordingly.
Explain the shape of a concave lens and a convex lens?
A convex lens is thicker in the center than at the edges. A convex lens is like a concave mirror.A concave lens is thinner in the center than at the edges.
Explain how an image produced by a convex mirror is similar to an image produced by a concave lens?
An image produced by a convex mirror and an image produced by a concave lens are both virtual, erect, and diminished. They both form on the same side as the object and the images appear smaller than the object itself.
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How does a concave len look?
a concave lens is thin in the middle, but thick on the sides. It does this: it makes what you look at bigger because it spreads out light
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Why would you use a concave Len?
A concave lens is used to correct myopia (nearsightedness) by diverging light rays before they enter the eye, helping to focus the image properly on the retina. It can also be used in optical devices like microscopes and cameras to spread out light rays.
