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Formulas

Light - Reflection and Refraction

Showing formulas of Light - Reflection and Refraction

Physics
Subject
Optics
Sub Subject
Showing 8 of 8 formulas Page 1 of 1

Mirror Formula

Physics → Optics → Light - Reflection and Refraction → Spherical Mirrors
$$\frac{1}{f} = \frac{1}{v} + \frac{1}{u}$$
Relates object distance, image distance, and focal length of a spherical mirror.
📖 Physics 📚 Light - Reflection and Refraction

Magnification (Mirror)

Physics → Optics → Light - Reflection and Refraction → Spherical Mirrors
$$m = \frac{h'}{h} = -\frac{v}{u}$$
The ratio of the height of the image to the height of the object.
📖 Physics 📚 Light - Reflection and Refraction

Refractive Index (Speed of Light)

Physics → Optics → Light - Reflection and Refraction → Refraction
$$n = \frac{c}{v}$$
Ratio of the speed of light in vacuum to the speed of light in a specific medium.
📖 Physics 📚 Light - Reflection and Refraction

Magnification (Lens)

Physics → Optics → Light - Reflection and Refraction → Spherical Lenses
$$m = \frac{h'}{h} = \frac{v}{u}$$
Linear magnification produced by a lens.
📖 Physics 📚 Light - Reflection and Refraction

Snell's Law (Simplified)

Physics → Optics → Light - Reflection and Refraction → Refraction
$$n = \frac{\sin i}{\sin r}$$
The ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant for a given pair of media.
📖 Physics 📚 Light - Reflection and Refraction

Radius of Curvature

Physics → Optics → Light - Reflection and Refraction → Spherical Mirrors
$$R = 2f$$
Radius of curvature is twice the focal length for spherical mirrors.
📖 Physics 📚 Light - Reflection and Refraction

Refractive Index (Apparent Depth)

Physics → Optics → Light - Reflection and Refraction → Refraction
$$n = \frac{\text{Real Depth}}{\text{Apparent Depth}}$$
Why an object underwater appears shallower than it is.
📖 Physics 📚 Light - Reflection and Refraction

Absolute Refractive Index

Physics → Optics → Light - Reflection and Refraction → Refraction
$$n_2/n_1 = v_1/v_2$$
Relationship between refractive indices and speeds of light in two media.
📖 Physics 📚 Light - Reflection and Refraction
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