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Field of View of a Mirror Field of View of a mirror :- The field of view of a mirror refers to the extent of the surrounding environment that can be viewed through the mirror. It is the region where diverging rays from an object or an image are present. We can see an…
Object and Image Object and Image :- In Optics for a mirror object and image, both can be real or virtual. Object :- Source of light is known as object. Real Object :- A point from which light rays are actually emitted and fall on a mirror(or any reflecting/refracting surface) is said to be…
Rules for image formation by concave mirror/convex mirror Rules for image formation by concave mirror/convex mirror :- The image is formed at the point where any two of the following four reflected rays meet or appear to meet/diverge after reflection from the spherical mirror. When the rays actually meet, a real image is formed…
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New Cartesian Sign Convention New Cartesian Sign Convention :- To get the formula for reflection by spherical mirrors and refraction by spherical lenses, we have to follow a sign convention. We will use the Cartesian sign convention, according to which all distances are measured from the pole of the spherical mirror or the…
Spherical Mirror Spherical mirrors are mirrors with curved surfaces that are shaped like a section of a sphere. These mirrors have many applications, including in telescopes, microscopes, cameras, and many other optical devices. They are commonly used to reflect light and form images of objects. Types of Spherical Mirror They come in two…
Laws of Reflection Laws of Reflection :- All surfaces(perfectly smooth or rough) which can reflect light, obey the following two laws of reflection :- (i) First law :- The angle of incidence (i) is equal to the angle of reflection (r). i.e., ∠i = ∠r (ii) Second law :- The incident ray, the…
Reflection of light Reflection of light :- When light rays strike the boundary of two media such as air and glass, a part of light is bounced back into the same medium. This is called reflection of light. Figure (a) shows a bundle of parallel light rays reflecting from a mirror-like surface. In this…
Properties of Electric Field Lines The properties of electric field lines are: 1. Electric field lines originate from positive charges and terminate on negative charges. The lines never start or end in empty space because the electric field is created by the presence of charges. 2. The number of electric field lines leaving a…
Magnetic Field Intensity | Intensity of Magnetic Field | Magnetic Field due to Bar Magnet Magnetic Field Intensity | Intensity of Magnetic Field | Magnetic Field due to Bar Magnet :- The space around a bar magnet/current carrying conductor/current carrying solenoid in which magnetic effects can be experienced is called magnetic field. We know…
Nuclear Stability Nuclear Stability :- Atomic nucleus is a densely packed collection of protons and neutrons. The very large electrostatic repulsive forces between protons should cause the nucleus to fly apart but nucleons are able to stay together because of strong Nuclear Force. There are 118 different elements. All these elements have isotopes and as…