WebJan 27, 2024 · A concave mirror has the focal length of 20 cm. Find its radius of curvature. If an object is placed at 30 cm from the mirror, then find the image distance. The focal … WebA concave spherical glass has radius of curvature of 6 0 c m and μ = 1. 5. An object is placed in air such that its image is formed on the object side at a distance of 2 0 c m from …
Solved concave spherical mirror has a radius of curvature of - Chegg
WebApr 12, 2024 · The radius of curvature of a convex mirror is 40 cm. Find its focal length.A. 80 cmB. 40 cmC. 20 cmD. 10 cm. Ans: Hint:The radius of curvature of convex or concave mirror is equal to two times of the focal length of convex or concave mirror.The radiu... WebNov 1, 2024 · A mirror's radius of curvature is the radius of the sphere it is a part of. The focal length, f f, of a mirror is always half of its radius of curvature, r r: \quad f = \frac {r} {2} f = 2r Hence, we can also write the mirror equation as follows: \quad \frac {2} {r}=\frac {1} … To calculate the focal length of a lens using the lens formula, follow these … The radius of curvature can be both a positive and a negative number. Briefly, a … freetel simple ft142f-simple
Spherical mirrors, radius of curvature & focal length - Khan Academy
WebCheck Your Understanding. 1. A convex mirror has a focal length of -10.8 cm. An object is placed 32.7 cm from the mirror's surface. Determine the image distance. 2. Determine the focal length of a convex mirror that produces an image that is 16.0 cm behind the mirror when the object is 28.5 cm from the mirror. 3. WebQuestion: A concave spherical mirror has a radius of curvature of 20.0 cm. Calculate the image distances for the object at the following distances: 40.0 cm, 20.0 cm, and 10.0 cm. For each object distance draw a separate ray diagram labeling the center of curvature, the focal point, object, and image. Also, state whether the image is upright or inverted and real … WebMar 30, 2024 · NCERT Question 2 - The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object? ... At the centre of curvature (c) Beyond the centre of curvature (d) Between the pole of the mirror and its principal focus. View Answer Get live Maths 1-on-1 Classs - Class 6 to 12 ... freetel share price