A. It can form a real image. B. It can form a virtual image. C. It always makes objects appear smaller. D. It can focus light. 相关知识点: 试题来源: 解析 C。凹面镜可以形成实像和虚像,也能聚焦光线,选项 A、B、D 正确;凹面镜不一定总是使物体看起来更小,有时也能放大物体,所以选项...
A concave mirror produces a virtual image that is three times as tall as the object. \\ (a) If the object is 22 cm in front of the mirror, what is the image distance? (b) What is the focal length of this mirror? A concave mirror...
A concave mirror has a focal length equal to 0.169 m. To form a real image that is triple the size of the object on a screen, at what distance in front of the mirror should the object be placed (in m; answer a positive number)?
Plane mirrors and convex mirrors always form a virtual image of an object.
A concave mirror is opaque whereas aconcave lens is transparent. A concave mirror can form both real, inverted images of various sizes and virtual, erect and enlarged images depending on the position of the object whereas a concave lens forms only virtual, diminished and erect images for all ...
A concave mirror can form both real, inverted images of various sizes and virtual, erect and enlarged images depending on the position of the object whereas a concave lens forms only virtual, diminished and erect images for all positions of the object. How does concave lens work? A concave ...
The properties of the formed image are always:Virtual,Erect, andDiminished. It is impossible to obtain a real image by using aconcave lensbecause the real image is formed as a result of the intersection of the refracted light rays, but theconcave lensforms an image as a ...
image and the lens increases. A converging lens gives a real image of a point when the point is located in front of the focus; when the point is located between the focus and the lens, the image is called virtual. A diverging lens always gives a virtual image of a luminous real point...
Related to concave spherical lens: concave spherical mirrorlens 1. a piece of glass or other transparent material, used to converge or diverge transmitted light and form optical images 2. a combination of such lenses for forming images or concentrating a beam of light 3. a device that diver...
b. A virtual or real picture can be formed by a concave mirror. Only erect and virtual images can be formed by a convex mirror. c. A simulated or real image will be produced based on the object’s positioning in case of a concave mirror. Regardless of the object’s position, a conve...