A convex lens is used to ___. A. diverge light B. reflect light C. refract light D. absorb light 相关知识点: 试题来源: 解析 C。凸透镜用于折射光。A 选项发散光是凹透镜的作用,B 选项反射光是镜子等的作用,D 选项吸收光不是凸透镜的主要作用。本题涉及凸透镜的物理知识,阅读技巧是了解凸透镜...
A lense behaves as a converging lens is air and diverging lens in water. The refractive index of the lens material is - Aequal to 1.33 Bequal to unity Cgreater than 1.33 Dbetween unity and 1.33Submit Assertion (A) : A convex lens is called a convergent lens but a concave lens acts...
If the power of a lens is 2 D, its focal length =0.5m. True/False 01:09 A concave lens is a converging lens. True/False 02:43 A convex lens is a diverging lens. True/False 03:04 A concave lens always forms a virtual image. True/False 03:20 Due to the light sensitive cells ...
A convex lens of focal length 10 cm forms image of object placed 30 cm in front of the lens. Find the magnification.In the image below, the converging lens' focal length is 14.3 cm, d = 12.2 cm, and the diverging lens' focal length is -10.7 cm.A convex lens wit...
PURPOSE: A convex lens for a light lamp by forming a cut surface in a central part of the convex lens is provided to improve visual brightness by scattering light which is emitted from the lamp to the entire convex lens. CONSTITUTION: A convex lens(1) includes a swollen center part(2) ...
(i) An equiconvex lens is converging(ii) A concavo-convex lens is a converging lens. This is because a concavo-convex lens is thicker in the middle and thinner at the edges and has a converging action on a light beam.Question: 5
Answer to: A plano-convex lens is to have a focal length of 40 cm. It is made of glass of index of refraction 1.65. What radius of curvature is...
However, the good part is that we do have processes and software to fight the malware. Let’s know in detail about the malware. Different types of Malware As we have already mentioned above that there are different types of malware, so you should also know that these different types of ...
A biconvex lens has a focal length of 12 cm. If an object is placed 5 cm from the lens, where is the image formed? Is it real or virtual? Is it upright or inverted? What's the height of the image if the object is 2 cm tall? A si = -8.5...
Plano-convex lenses can focus a collimated beam at the back focus, or a point light source can be turned into a collimated beam. Jingsheng's plano-convex lenses are usually made of K9 glass, and their anti-reflection coat...