Physics Vidyapith ✍️

Angle of Acceptance → If incident angle of light on the core for which the incident angle on the core-cladding interface equals the crit...

Let $S$ be a point monochromatic source of light of wavelength $\lambda$ placed at the focus of collimating lens $L_{1}$. The light beam is ...

Let us consider a particle of mass $m$ that is confined to one-dimensional region $0 \leq x \leq L$ or the particle is restricted to move al...

Principle of Ruby Laser → Ruby laser is the first working laser that was invented by T.H.Maima in 1960. It is a three-level solid-stat...

Time independent Schrodinger wave equation: We know the time dependent Schrodinger wave equation: $i \hbar \frac{\partial \psi(x,t)}...

Derivation→ Let us consider, The charge on a parallel-plate capacitor = $q$ The area of parallel-plate = $A$ The dis...

Maxwell's Equations: Maxwell's equation of the electromagnetic wave is a collection of four equations i.e. Gauss's law of elec...

Derivation of interference of light due to a wedge-shaped thin film: Interference of light due to wedge-shaped thin film The wedge...

Let a plane wavefront be incident normally on slit $S_{1}$ and $S_{2}$ of equal $e$ and separated by an opaque distance $d$.The diffracted l...