WebNov 4, 2024 · The focal length of a mirror and a lens can be calculated using 1/do + 1/di = 1/f, where do is the object distance, di is the image distance, and f is the focal length. Register to view this ... WebA concave mirror of focal length 20 c m and a convex lens of focal length 10 c m are kept with their optic axis parallel but separated by 0.5 m m as shown in the figure. The distance between the lens and the mirror is 10 c m. An object of height 3 m m is placed on the optical axis of the lens at a distance of 15 c m from the lens.
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WebMay 5, 2024 · Given focal length of mirror is 10cm. Q.12. An object 2cm high is placed at a distance of 16cm from a concave mirror, which produces 3cm high inverted image. What is the focal length of the mirror? Also, find the position of the image. Q.13. An erect image 3 times the size of the object is obtained with a concave mirror of radius of curvature 36cm. WebFocal length Focus is defined as the point through which the reflected light rays pass (or appear to pass) when incident light rays are parallel to the principal axis. It is located at the midpoint of pole and centre of curvature. The distance between the pole and the focus of the mirror is called the focal length of the mirror. Hence, f = 2 R nrcs wareham
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WebDefine focal length. The distance between the pole of the mirror ( or the optical center of the lens) and the focal point of a mirror (or... The focal point (F) of a mirror is the point … WebA mature blue whale may have a… bartleby. Science Advanced Physics 8. A mature blue whale may have a length of 28.0 m. How far from a concave mirror with a focal length of 30.0 m must a 7.00 m long baby blue whale be placed to get a real image the size of a mature blue whale? 8. A mature blue whale may have a length of 28.0 m. WebMay 11, 2024 · This all stands a total of 6 feet and thus requires a 3-foot-tall mirror. Styled hair should also be considered, and as such, the minimum length of a full-height mirror … nrcs washington irrigation guide