Class 12 Physics Unit 6 Ray Optics

Class 12 Physics      Unit 6 Ray Optics

Reflection of light

Angle of deviation due to reflection

Example 6.1

Image formation in plane mirror

Characteristics of the image formed by plane mirror

Real and virtual images by a plane mirror

Example 6.2

Spherical mirrors

Paraxial Rays and Marginal Rays

Relation between f and R

Image formation in spherical mirrors

Cartesian sign convention

The mirror equation

Lateral magnification in spherical mirrors

Example 6.3

Example 6.4

Fizeau’s method to determine speed of light

Speed of light through different media

Refractive index

Example 6.5

Optical path

Example 6.6

Refraction

Angle of deviation due to refraction

Characteristics of refraction

Principle of reversibility

Relative refractive index

Example 6.7

Apparent depth

Example 6.8

Critical angle and total internal reflection

Effects due to total internal reflection  - Glittering of diamond

Effects due to total internal reflection  - Mirage and looming

Prisms making using of total internal reflection

Radius of illumination (Snell’s window)

Example 6.9

Optical fibre

Example 6.10

Refraction in glass slab

Example 6.11

Equation for refraction at single spherical surface

Example 6.12

Thin lens Primary and secondary focus

Sign conventions on focal length for lens

Example 6.13

Lens maker’s formula and lens equation

Lateral magnification in thins lens

Example 6.14

Example 6.15

Power of a lens

Example 6.16

Focal length of lenses in contact

Example 6.17

Silvered lenses

Example 6.18

Prism - Angle of deviation produced by prism

Example 6.19

Example 6.20

Angle of minimum deviation

Refractive index of the material of the prism

Example 6.21

Dispersion of white light through prism

Dispersive Power

Example 6.22

Scattering of sunlight