what does the law of reflection state
Answers
Explanation:
1. The angle of incidence = angle of reflection
2. The reflected ray, normal and incident ray, all lie in the same plane.
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What is Law of Reflection?
Definition:
The law of reflection defines that upon reflection from a smooth surface, the angle of the reflected ray is equal to the angle of the incident ray, with respect to the normal to the surface that is to a line perpendicular to the surface at the point of contact.
The reflected ray is always in the plane defined by the incident ray and the normal to the surface at the point of contact of the incident ray.
The images produced by plane mirrors and curved mirrors can be understood by the law of reflection.
Law of reflection is defined as:
The principle when the light rays falls on the smooth surface, the angle of reflection is equal to the angle of incidence, also the incident ray, the reflected ray, and the normal to the surface all lie in the same plane.
What is Reflection of Light?
The process through which light rays falls on the surface and gets bounced back is known as reflection of light.
Types of Reflection:
Regular Reflection:
The plane mirrors with a smooth surface produce this type of reflection. In this case, the image is clear and is very much visible. The images produced by plane mirrors are always virtual, that is they cannot be collected on a screen.
In the case of curved mirrors with a smooth surface, we can see the images of reflection either virtually or really. That is, the images produced by curved mirrors can be either real (collected on a screen and seen), or virtual (cannot be collected on a screen, but only seen).
Irregular Reflection:
Unlike mirrors, most natural surfaces are rough on the scale of the wavelength of light, and, as a consequence, parallel incident light rays are reflected in many different directions irregularly, or diffusely. Hence, diffuse reflection helps in seeing the objects and is responsible for the ability to see most illuminated surfaces from any position.
Types of Reflection
In both regular and irregular reflections, the laws of reflection are followed.
Law of Reflection Formula:
The law of reflection formula is given as:
θi = θr
Where,
θi is the angle of incidence
θr is the angle of reflection
Laws of reflection
What is Angle of Reflection?
The angle of reflection Θr of a ray is the angle measured from the reflected ray to the normal surface.
Calculation of Angle of Incidence and Angle of Reflection
The angle of incidence and the angle of reflection are calculated by drawing a normal line which is perpendicular to the reflecting surface.
