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How wold you use a midpoint formula to prove that a quadrilateral is a parallelogram?
I can use it when lines are joined together
Prove that the diagonals of rectangle are equal?
prove any two adjacent triangles as congruent
In geometry you can use deductive rules to?
In geometry, deductive rules can be used to prove conjectures.
Valerie is going to use SAS to prove that VWX YZX.?
Prove that VXW YXZ by vertical angles.
How do you prove a statement by contradiction?
To prove by contradiction, you assume that an opposite assumption is true, then disprove the opposite statement.
What is formula for concave lens?
The formula for a concave lens is the same as for a convex lens, which is given by the lens formula: 1/f = 1/v + 1/u, where f is the focal length of the lens, v is the image distance, and u is the object distance. For a concave lens, the focal length is considered negative.
How do you prove the formula for the area of a rectangle?
The formula for the area of a rectangle is length x breadth. In order to prove this works, work out an area of a rectangle using that formula.
How do you prove Leibniz formula for the nth derivatives?
Prove it by induction on n, use 0 or 1 as base cases.
Is lens formula valid only for convex lens?
I believe it can be used for any lens. Just be sure to use the correct sign. Check the "lensmaker's equation" in Wikipedia, and the comments about what sign to use.
Formula of radius of curvature of double convex lens?
The formula for the radius of curvature (R) of a double convex lens is given by R = 2f, where f is the focal length of the lens. The radius of curvature is the distance from the center of the lens to the center of curvature of one of its curved surfaces.
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 power of a lens of focal length 40cm?
The power of a lens is given by the formula P = 1/f, where f is the focal length of the lens. Therefore, for a lens with a focal length of 40cm, the power would be P = 1/40 cm = 0.025 diopters.
How much magnification is 5 diopter?
The magnification of a lens can be calculated using the formula: Magnification = 1 / Focal length of the lens in meters. So, for a 5 diopter lens, the magnification would be 1 / 0.2 = 5x.
What will be the magnification of a lens of 20D?
The magnification of a lens is calculated using the formula M = 1 + D/f, where M is the magnification, D is the lens power in diopters (20D in this case), and f is the focal length of the lens in meters. Without knowing the focal length of the lens, we cannot determine the exact magnification.
A concave mirror and a convex lens are held in waterwhat changes if any do you expect in their focal length?
When a concave mirror and a convex lens are placed in water, their focal lengths decrease due to the increase in the refractive index of the medium. This decrease in focal length is a result of the bending of light rays passing through water, causing them to converge more strongly within the optical element.
What is dimension of power of lens?
The unit for the power of a lens is measured in diopters (D). The power of a lens is a measure of the lens's ability to focus light, with positive values indicating convergence (for lenses that focus light) and negative values indicating divergence (for lenses that spread out light).
How would you measure the focal length of a converging lens?
One common method is to use the lens formula: 1/f = 1/do + 1/di, where f is the focal length, do is the object distance, and di is the image distance. By measuring these distances and plugging them into the formula, you can calculate the focal length of the lens. Alternatively, you can use a lens positioning system to determine the position of the focused image, which can also help you find the focal length.
