The rotating mirror, or concave mirror, has a bright spot set inward (away from the incident light). Concave mirrors reflect light inside one place. They are used to focus on light.
A ___ mirror can make you look thinner. A. convex B. concave C. flat D. round 相关知识点: 试题来源: 解析 A。解析:凸面镜(convex mirror)可以使人看起来更瘦。concave是凹面的,flat是平的,round是圆的,凹面镜、平面镜和圆形的镜子没有使人看起来更瘦的这种普遍效果,所以选A。反馈 ...
Concavelenses—those that are thicker around the edges than they are in the center—disperselight rays, which can have the effect of making things look smaller or farther away.Convexlenses—those that dome outward and are thicker in the center than they are around the edges—make light rayscon...
Concave describes shapes that curve inward, like an hourglass. Convex describes shapes that curve outward, like a football (or a rugby ball). If you stand in front of a concave mirror, your reflection will look taller. If you stand in front of a convex mirror, the opposite will happen—...
A concave mirror is a curved mirror where the reflecting surface is on the inner side of the curved shape. It has a surface that curves inward, resembling the shape of the inner surface of a hollow sphere. Concave mirrors are also converging mirrors because they cause light rays to converge...
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The optical mirror system comprises a concave mirror (2) with relatively large curvature radius (R), a convex mirror (1) with relatively small radius, which coaxially faces the concave mirror, and an aperture (S) which defines an object point (O) and an image point (I) at a given ...
Difference between Concave and Convex Lens. Find how convex and concave lens are different in terms of their focal length, structure, types of images.
Similar Questions List the uses of concave mirrors and convex mirrors. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP Boa...
A _ mirror can give you a wider view. A. round B. square C. convex D. concave 相关知识点: 试题来源: 解析 C。解析:凸面镜能给你更广阔的视野。round是圆形,圆形镜子不一定能提供更广阔视野。square是方形,方形镜子也没有这个特点。concave是凹面的,凹面镜不能提供更广阔视野。convex是凸面的,...