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What type of lens is thicker at the center than at the edges and causes light to converge?
- a)Concave lens
- b)Convex lens
- c)Plano-convex lens
- d)Plano-concave lens
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
What type of lens is thicker at the center than at the edges and cause...
A convex lens is thicker at the center than at the edges and causes light to converge (focus).
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What type of lens is thicker at the center than at the edges and cause...
Understanding Convex Lenses
A convex lens is a crucial optical component known for its ability to converge light rays. Here’s a detailed explanation of its characteristics:
Definition of Convex Lens
- A convex lens is thicker at the center and thinner at the edges.
- It is shaped in such a way that it bulges outward, resembling a magnifying glass.
Light Convergence
- The primary function of a convex lens is to converge incoming parallel light rays to a single point, known as the focal point.
- As light passes through the lens, it is refracted (bent) towards the optical axis, causing it to focus.
Applications of Convex Lenses
- Convex lenses are widely used in various optical devices:
- Cameras: To focus light and create clear images.
- Magnifying glasses: To enlarge images for better visibility.
- Eyeglasses: To correct hyperopia (farsightedness) by converging light onto the retina.
Comparison with Other Lenses
- Unlike concave lenses, which are thicker at the edges and diverge light, convex lenses are designed to bring light together.
- Plano-convex lenses are a variation where one side is flat and the other is convex, still retaining the converging property.
- Plano-concave lenses are the opposite, causing light to diverge.
Conclusion
In conclusion, a convex lens (option B) is defined by its thicker center and its ability to converge light. This makes it a fundamental element in many optical applications, enhancing visibility and image clarity.
A convex lens is a crucial optical component known for its ability to converge light rays. Here’s a detailed explanation of its characteristics:
Definition of Convex Lens
- A convex lens is thicker at the center and thinner at the edges.
- It is shaped in such a way that it bulges outward, resembling a magnifying glass.
Light Convergence
- The primary function of a convex lens is to converge incoming parallel light rays to a single point, known as the focal point.
- As light passes through the lens, it is refracted (bent) towards the optical axis, causing it to focus.
Applications of Convex Lenses
- Convex lenses are widely used in various optical devices:
- Cameras: To focus light and create clear images.
- Magnifying glasses: To enlarge images for better visibility.
- Eyeglasses: To correct hyperopia (farsightedness) by converging light onto the retina.
Comparison with Other Lenses
- Unlike concave lenses, which are thicker at the edges and diverge light, convex lenses are designed to bring light together.
- Plano-convex lenses are a variation where one side is flat and the other is convex, still retaining the converging property.
- Plano-concave lenses are the opposite, causing light to diverge.
Conclusion
In conclusion, a convex lens (option B) is defined by its thicker center and its ability to converge light. This makes it a fundamental element in many optical applications, enhancing visibility and image clarity.
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What type of lens is thicker at the center than at the edges and causes light to converge?a)Concave lensb)Convex lensc)Plano-convex lensd)Plano-concave lensCorrect answer is option 'B'. Can you explain this answer?
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