Video Playlist

law of rectilinear propagation of light, Law of independence of light rays, Law of reversibility, Laws of reflections, types of reflection, regular and diffused reflection, Plane mirror, definition of Object and Image, virtual and real Object/Image. Image formation by plane mirror, Important points about Image formation by plane mirror, motion of object and its Image

Problems on motion of object and image in 3D, Rotation of Mirror and Incident ray

Problems , Images formed by two mutually inclined mirrors, field of view-

Problems, Angle of deviation due to reflection

Curved mirrors, some definitions (terms) related with curved mirrors. Paraxial rays, focal plane.

sign conventions, Mirror formula, magnifications

ray diagram

problems, some examples, multiple reflections

motion of object and image, lateral magnifications

1/v versus 1/u graphs, U-V graphs, Newton’s mirror formula

Refraction, Refractive index, Snell’s laws, some important points to remember, refraction through plane surface and parallel slabs.

Image formation due to refraction through plane surface, actual depth and apparent depth, problems

Lateral shift, Normal shift, combination of mirror and slabs

critical angle, total internal reflection, circle of illuminance, deviation due to refraction through plane surface

Prsim, Prism angle, angle of emergence, deviation by prism, condition for no emergence, angle of deviation by prism in terms of angle of incidence and angle of emergence. Condition for minimum deviation, minimum deviation

maximum deviation,thin prisms, deviation by thin prism

Cauchy’s equation, dispersion, mean deviation, angular dispersion, Dispersive power of Prism, combination of Prisms, Achromatic combination ,combination for direct vision

Refraction through curved surface, formula relating “v” and “u”,

Problems lateral and longitudinal magnification, motion of object and image.

Thin lenses, classification of thin lenses, Lens maker’s formula and Lens formula-

lateral and longitudinal magnification, Ray diagrams,

sign convention, Image formation, Problems,

problems , some important points to remember

motion of Object and image, , 1/v versus 1/u graphs, U-V graphs-

power of lens, combination of lenses in contact. Combination of two lenses separated by distance “d”, combination of lenses and mirror in contact, focal length when one face of a thin lens is silvered

Displacement method to find the focal length of a lens,