Geometrical Optics

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All Lectures


Lect # 1
Content Covered:

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

Duration: 52 Minutes

Lect # 2
Content Covered:

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

Duration: 46 Minutes

Lect # 3
Content Covered:

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

Duration: 50 Minutes

Lect # 4
Content Covered:

Problems, Angle of deviation due to reflection

Duration: 16 Minutes

Lect # 5
Content Covered:

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

Duration: 42 Minutes

Lect # 6
Content Covered:

sign conventions, Mirror formula, magnifications

Duration: 28 Minutes

Lect # 7
Content Covered:

ray diagram

Duration: 28 Minutes

Lect # 8
Content Covered:

problems, some examples, multiple reflections

Duration: 34 Minutes

Lect # 9
Content Covered:

motion of object and image, lateral magnifications

Duration: 46 Minutes

Lect # 10
Content Covered:

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

Duration: 59 Minutes

Lect # 11
Content Covered:

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

Duration: 46 Minutes

Lect # 12
Content Covered:

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

Duration: 41 Minutes

Lect # 13
Content Covered:

Lateral shift, Normal shift, combination of mirror and slabs

Duration: 42 Minutes

Lect # 14
Content Covered:

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

Duration: 40 Minutes

Lect # 15
Content Covered:

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

Duration: 41 Minutes

Lect # 16
Content Covered:

maximum deviation,thin prisms, deviation by thin prism

Duration: 23 Minutes

Lect # 17
Content Covered:

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

Duration: 54 Minutes

Lect # 18
Content Covered:

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

Duration: 27 Minutes

Lect # 19
Content Covered:

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

Duration: 27 Minutes

Lect # 20
Content Covered:

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

Duration: 35 Minutes

Lect # 21
Content Covered:

lateral and longitudinal magnification, Ray diagrams,

Duration: 28 Minutes

Lect # 22
Content Covered:

sign convention, Image formation, Problems,

Duration: 45 Minutes

Lect # 23
Content Covered:

problems , some important points to remember

Duration: 28 Minutes

Lect # 24
Content Covered:

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

Duration: 39 Minutes

Lect # 25
Content Covered:

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

Duration: 56 Minutes

Lect # 26
Content Covered:

Displacement method to find the focal length of a lens,

Duration: 15 Minutes

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