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If an object is placed at a distance greater than twice the focal length of a convex lens what type of an image will be produced?
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∙ 7y ago
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The image produced by a convex lens depends on what?
The image produced by a convex lens depends on the object distance, the focal length of the lens, and the type of object being viewed.
Is a convex lens used as magnifying glass?
Yes, a convex lens can be used as a magnifying glass as it converges light rays to form an enlarged and upright image of an object placed closer to the lens. The magnification produced by a convex lens depends on its focal length and the distance between the lens and the object.
Will the focal length be greater in a thick or thin convex lens?
The focal length will be greater in a thin convex lens compared to a thick convex lens. Thinner lenses have less curvature, causing light rays to converge more gradually and thus increasing the focal length.
Which lens has a greater power convex lens of focal length 10 cm or a convex lens of focal length 20cm?
The lens with a focal length of 5 cm has greater power. Power is inversely proportional to focal length, so the shorter focal length lens will have a greater power.
Do convex lenses have negative focal length?
No, convex lenses have positive focal lengths. The focal length is the distance from the lens to its focal point where light rays converge. In convex lenses, parallel light rays are focused to a point on the opposite side of the lens, resulting in a positive focal length.
The image produced by a convex lens depends on what?
The image produced by a convex lens depends on the object distance, the focal length of the lens, and the type of object being viewed.
The image produced by a convex lens depends upon?
The image produced by a convex lens depends upon the object distance from the lens, the focal length of the lens, and the type of object being viewed (real or virtual). The characteristics of the image, such as its size, orientation, and location, are determined by the lens formula and the properties of the convex lens.
What is the focal length of the convex lens?
The distance from the centre of the lens to the focal point.
Is a convex lens used as magnifying glass?
Yes, a convex lens can be used as a magnifying glass as it converges light rays to form an enlarged and upright image of an object placed closer to the lens. The magnification produced by a convex lens depends on its focal length and the distance between the lens and the object.
Will the focal length be greater in a thick or thin convex lens?
The focal length will be greater in a thin convex lens compared to a thick convex lens. Thinner lenses have less curvature, causing light rays to converge more gradually and thus increasing the focal length.
Which lens has a greater power convex lens of focal length 10 cm or a convex lens of focal length 20cm?
The lens with a focal length of 5 cm has greater power. Power is inversely proportional to focal length, so the shorter focal length lens will have a greater power.
Do convex lenses have negative focal length?
No, convex lenses have positive focal lengths. The focal length is the distance from the lens to its focal point where light rays converge. In convex lenses, parallel light rays are focused to a point on the opposite side of the lens, resulting in a positive focal length.
How are images produced by the convex lens of a magnifying glass are affected by focal length?
The focal length of a convex lens determines the magnification of the image produced by the magnifying glass. A shorter focal length will result in a larger magnification, making the image appear bigger. Conversely, a longer focal length will result in a smaller magnification, making the image appear smaller.
Why should the object be positioned between the focal length point and the convex lens to be magnified?
Placing the object between the focal length point and the convex lens creates a virtual and magnified image. This positioning allows the lens to form a bigger image that is right-side-up compared to the original object. The greater the distance between the object and the lens, the larger the magnification.
What is the define the focal length of a convex lens?
The focal length of a convex lens is the distance between the lens and its focal point, where parallel rays of light converge after passing through the lens. It is a key parameter that determines the magnification and size of the image produced by the lens. The focal length is typically measured in millimeters.
How do you derive relation between focal length and radius of curvature of convex mirror?
For a convex mirror, the focal length (f) is half the radius of curvature (R) of the mirror. This relationship arises from the mirror formula for convex mirrors: 1/f = 1/R + 1/v, where v is the image distance. When the object is at infinity, the image is formed at the focal point, and the image distance is equal to the focal length. Hence, 1/f = -1/R when solving for the focal length in terms of the radius of curvature for a convex mirror.
How factors affect the magnification of a convex lens?
The magnification of a convex lens depends on its focal length and the object distance from the lens. Increasing the focal length or decreasing the object distance will usually increase the magnification. The magnification is also affected by the size of the object being viewed and the optical properties of the lens itself.
