Optics¶
Optics is the branch of physics which is concerned with light and its behavioural pattern and properties. Optics is a branch of physics that deals with the determination of behaviour and the properties of light, along with its interactions with the matter and also with the instruments which are used to detect it.
Small-angle approximation
Approximation that is valid when the size of a spherical mirror is significantly smaller than the mirror’s radius; in this approximation, spherical aberration is negligible and the mirror has a well-defined focal point.
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Contents:
- Angle of light deflection in prism
- Bragg diffraction from angle of diffraction and wavelength
- Film thickness for minimum interference
- Focal length of a concave spherical mirror
- Interference due to two slits
- Interference maximum
- Interference minimum
- Irradiance of light after polarizer
- Lens focus from object and image
- Light pressure
- Linear magnification from distance to object and distance to image
- Linear magnification from object height and image height
- Optical distance difference from optical distances
- Optical path length from geometrical path length and refractive index
- Optical power from focus distance
- Optical power from thin lens radii and refractive indeces
- Optical power of spherical lens from refractive indices and distances
- Radiation intensity from energy, area, and time
- Radius of dark Newton’s ring formula
- Refraction angle from enviroments