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Formulas

Physics

Showing formulas of Physics

Showing 24 of 258 formulas Page 3 of 11

First Law of Thermodynamics

Physics → Thermodynamics → Energy → Law
$$\Delta U = Q - W$$
Energy conservation
📖 Physics 📚 Energy

Angular Momentum

Physics → Rotational Motion → Momentum → Angular Momentum
$$L = r p$$
Rotational momentum
📖 Physics 📚 Momentum

Escape Velocity

Physics → Gravitation → Motion → Escape
$$v = \sqrt{\frac{2GM}{r}}$$
Minimum velocity to escape gravity
📖 Physics 📚 Motion

Schrödinger Equation (Time-Independent)

Physics → Quantum Mechanics → Wave Mechanics → Schrödinger Equation
$$\hat{H}\psi = E\psi$$
Eigenvalue equation for quantum states, where $\hat{H}$ is the Hamiltonian operator.
📖 Physics 📚 Wave Mechanics

Lorentz Force

Physics → Electricity and Magnetism → Magnetic Fields → Force on a Charge
$$\mathbf{F} = q(\mathbf{E} + \mathbf{v} \times \mathbf{B})$$
Force on a charged particle due to electric and magnetic fields.
📖 Physics 📚 Magnetic Fields

Planck's Relation

Physics → Quantum Mechanics → Old Quantum Theory → Photon Energy
$$E = h\nu$$
Energy of a photon is proportional to its frequency.
📖 Physics 📚 Old Quantum Theory

Doppler Effect (Sound)

Physics → Waves and Oscillations → Sound Waves → Doppler Effect
$$f' = f\left(\frac{v \pm v_o}{v \mp v_s}\right)$$
Observed frequency change due to relative motion.
📖 Physics 📚 Sound Waves

Moment of Inertia (Point Mass)

Physics → Classical Mechanics → Rotational Dynamics → Moment Of Inertia
$$I = mr^2$$
Rotational inertia of a point mass about an axis.
📖 Physics 📚 Rotational Dynamics

Time Period of Simple Pendulum

Physics → Mechanics → Oscillations → Pendulum
$$T = 2\pi \sqrt{\frac{L}{g}}$$
Time period of a simple pendulum: $$T = 2\pi \sqrt{\frac{L}{g}}$$
📖 Physics 📚 Oscillations

Simple Harmonic Motion Acceleration

Physics → Waves → Oscillations → SHM
$$a = -\omega^2 x$$
Acceleration in SHM: $$a = -\omega^2 x$$
📖 Physics 📚 Oscillations

Coulomb Potential Energy

Physics → Electrostatics → Energy → Potential
$$U = k \frac{q_1 q_2}{r}$$
Potential energy between charges
📖 Physics 📚 Energy

Poiseuille's Law

Physics → Fluid Mechanics → Viscosity → Flow
$$Q = \frac{\pi r^4 \Delta P}{8 \eta L}$$
Flow rate in a pipe
📖 Physics 📚 Viscosity

Bernoulli Equation

Physics → Fluid Mechanics → Energy → Flow
$$P + \frac{1}{2}\rho v^2 + \rho gh = constant$$
Energy conservation in fluid
📖 Physics 📚 Energy

Gravitational Potential

Physics → Gravitation → Potential → Field
$$V = -\frac{GM}{r}$$
Gravitational potential
📖 Physics 📚 Potential

Ohmic Heating

Physics → Electricity → Heating → Power
$$H = I^2 R t$$
Heat produced in resistor
📖 Physics 📚 Heating

Faraday's Law

Physics → Electromagnetism → Induction → EMF
$$\mathcal{E} = -\frac{d\Phi}{dt}$$
Induced EMF
📖 Physics 📚 Induction

Capacitor Energy

Physics → Electricity → Capacitors → Energy
$$U = \frac{1}{2}CV^2$$
Energy stored in capacitor
📖 Physics 📚 Capacitors

Diffusion Equation

Physics → Thermodynamics → Diffusion → Flux
$$J = -D \frac{dC}{dx}$$
Fick's law
📖 Physics 📚 Diffusion

Ideal Gas Internal Energy

Physics → Thermodynamics → Energy → Internal Energy
$$U = \frac{3}{2} nRT$$
Energy of ideal gas
📖 Physics 📚 Energy

Electric Field

Physics → Electrostatics → Field → Electric Field
$$E = \frac{F}{q}$$
Force per unit charge
📖 Physics 📚 Field

Magnetic Field of Wire

Physics → Magnetism → Fields → Magnetic Field
$$B = \frac{\mu_0 I}{2\pi r}$$
Field around a wire
📖 Physics 📚 Fields

Time Dilation

Physics → Relativity → Special Relativity → Time
$$t' = \frac{t}{\sqrt{1 - \frac{v^2}{c^2}}}$$
Relativistic time
📖 Physics 📚 Special Relativity

Length Contraction

Physics → Relativity → Special Relativity → Length
$$L = L_0 \sqrt{1 - \frac{v^2}{c^2}}$$
Relativistic contraction
📖 Physics 📚 Special Relativity

Schrodinger Equation

Physics → Quantum Mechanics → Wave Mechanics → Quantum State
$$i\hbar \frac{\partial \psi}{\partial t} = -\frac{\hbar^2}{2m} \nabla^2 \psi + V\psi$$
Quantum wave equation
📖 Physics 📚 Wave Mechanics
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