We shall also try to understand the reflection of light by spherical mirrors in this chapter.Light rays that are parallel to the principal axis of a concave mirror converge at a specific point on its principal axis after reflecting from the mirror. This point is called the principal focus of the concave mirror.Radius of curvature of the spherical mirror = 2 × Focal length (f)Therefore, the focal length of the spherical mirror is 10 cm.The mirror that can give an erect and enlarged image of an object is Concave Mirror.Convex mirror is preferred as a rear-view mirror in cars and vehicles as it gives a wider field of view, which helps the driver to see most of the traffic behind him. In Chapter 10 Light Reflection and Refraction of Class 10 Science, let us study the phenomena of refraction and reflection using straight-line propagation of light. Chapter 10 Light Reflection and Refraction are one of the important chapters in Class 10 Science and the expected marks weightage of the chapter according to the latest marking scheme is 7 marks. Download all answers in PDF file format or download Offline apps 2020-2021 to use all the contents offline without internet. A medium with the highest refractive index will have the highest optical density and vice-versa.It can be observed from the table that air and diamond respectively have the lowest and highest refractive index. This is shown in the following ray diagram.The image is located at a distance of 6 cm from the mirror on the other side of the mirror.The positive and a value of less than 1 of magnification indicates that the image formed is virtual and erect and diminished.The positive sign means an image formed by a plane mirror is virtual and erect.


Read on to find out everything about light reflection and refraction class 10 important questions with answers here. To take bigger steps in life, you also need to rely on a good academic record. NCERT Solutions For Class 10 Science Chapter 10 – Light Reflection and Refraction. The speed of light is inversely proportional to the refractive index.Diamond has a refractive index of 2.42 which means that the speed of light in diamond will reduce by a factor of 2.42 as compared to its speed in the air.In other words, the speed of light in diamond is 1/2.42 times the speed of light in vacuum.Dioptre is the SI unit of power of lens is denoted by the letter D. 1 dioptre can be defined as the power of a lens of focal length 1 metre.The position of the image should be at 2F since the image is the real and same size.It is given that the image of the needle is formed at a distance of 50 cm from the convex lens.

This point is called the principal focus of the concave mirror.The mirror that can give an erect and enlarged image of an object is Concave Mirror.A convex mirror is preferred as a rear-view mirror in cars and vehicles as it gives a wider field of view, which helps the driver to see most of the traffic behind him. Find the focal length of a convex mirror whose radius of curvature is 32 cm.The incident ray the normal and the reflected ray all lie in the same plane The angle of incidence (i) is always equal to angle of reflection (r) i.e., ∠i = ∠rThe incident ray, the normal and the refracted ray all lie in the same planeIs a looking glass, highly polished on one surface.Image formation by a convex mirror for different positions of the objectImage formation by a concave mirror for different positions of the objectEarth’s atmosphere is thin at the top and dense at the bottom, thus leads to refraction of light,Nature, position and relative size of the image formed by a concave lens for various position of the objectNature, position and relative size of the image formed by a convex lens for various positions of the objectNow that you are provided all the necessary information regarding NCERT Solutions for Class 12 Computer Science (Python)NCERT Solutions for Class 12 Computer Science (C++)NCERT Solutions for Class 11 Computer Science (Python)NCERT Solutions for Class 11 Indian Economic DevelopmentNCERT Solutions for Class 10 Foundation of Information TechnologyGo through them will help candidates get a clear idea about how to approach the problems which in turn helps you to solve them in the most efficient way. Since the magnification is 1 it means that the size of the image is equal to the size of the object.The positive value of image height indicates that the image formed is erect.Hence, the image formed is erect, virtual, and smaller in size.The negative value of image height indicates that the image formed is inverted.A concave lens has a negative focal length. NCERT Solutions For Class 10 Science Chapter 10 Light Reflection and Refraction: In this article, you candidates can find light reflection and refraction class 10 NCERT solutions.Working on the light chapter of class 10 NCERT solutions will help candidates to build …


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