# Pravallika

I’m Pravallika, an Integrated masters (mathematics) student from University of Hyderabad. I'm an avid learner, reader and an explorer. I like reading about Space sciences, astronomy and cosmos. ## P-N Junction Diode

A P-N junction diode is one of the simplest semiconductor devices. This diode has the characteristic of passing current in only one direction. It is based on the p-n junction. …

## Varactor Diode

A varactor diode, also known as a varicap diode, variable capacitance diode, variable reactance diode, or tuning diode, is a type of diode that uses the voltage-dependent capacitance of a …

## Shockley Diode

The Shockley diode is the first of the thyristor family of devices, named after its inventor William Bradford Shockley. The Diode The four-layer semiconductor diode, the Shockley diode was one …

## Rydberg Constant

The Rydberg Constant is a physical constant relating to the electromagnetic spectrum of an atom, it was named after the Swedish physicist Johannes Rydberg. Rydberg Constant Explained In 1885, Balmer …

## Schottky Diode

A Schottky diode, also known as a Schottky barrier diode or a hot-carrier diode, is a semiconductor diode developed when a semiconductor and a metal come together. It switches easily …

## Total Internal Reflection

Total Internal Reflection (TIR) is basically a phenomenon where light rays travel from a more optically denser medium to a less optically denser medium and gets reflected back into the …

## Principle of Mathematical Induction

Principle of Mathematical Induction is a powerful and elegant technique for proving certain types of mathematical statements. It works for general propositions which assert that something is true for all …

## Area of Octagon

The area of an octagon is a bit complex compared to lower sided shapes. Area of a regular octagon(A) = 4as. Where ‘a’ is the apothem (straight line from the …

## Area of Pentagon

The area of a pentagon is a bit complex compared to lower sided shapes. Area of a regular pentagon = pa/2, where p = perimeter of the pentagon and a = the …

## Snell’s Law

Snell’s Law also called as Law of Refraction, is usually stated as, , where $$\theta_1$$ is angle of incidence and $$\theta_2$$ is angle of  refraction and n1, n2 are refractive …

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