Nuclear Physics
Understanding the Bohr Theory of the Hydrogen Atom
The Bohr Theory of the hydrogen atom is a fundamental concept in physics, explaining how electrons move around the nucleus in an atom. This theory was…
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Particle Physics
The Science of Subatomic Particles, From Discovery to Modern Physics
Introduction to Subatomic Particles Atoms are the fundamental units of matter, making up everything we see, touch, and interact with…
Electronics
How do you check a diode with a Multimeter?
Steps to check a diode with a multimeter, follow these steps: Set the multimeter to diode test mode, represented by…
Electronics
How to characterize a voltage controlled current source?
To understand how to characterize a voltage controlled current source (VCCS)? We must know about VCCS. Voltage-controlled current source (VCCS)…
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Geometrical Optics
Fermat’s Principle of Least Time
What is fermat's principle? This principle states that the light always travels that path in a medium from one point…
Geometrical Optics
Optical Path and Geometrical Path
The branch of physics which deals with the study of optical phenomenon like reflection, refraction, dispersion, interference, diffraction, polarization etc.…
Electronics
Current Gain in Transistor
In this article we are going to study Current Gain in Transistor of Common Base Transistor and Common Emitter Transistor.…
Electronics
Classification of Semiconductors
Semiconductor are classified into two classes: Intrinsic (or pure) semiconductorsExtrinsic (or impure) semiconductors Intrinsic Semiconductors A semiconductor in an extremely…
Electronics
Static and Dynamic resistance of Diode | Dynamic resistance formula
Static and Dynamic resistance of Diode In a junction diode, applied voltage (V) is not proportional to the diode current…
Electronics
Digital signal and Analog signal |Difference between Digital and Analog signal | Advantages and Disadvantages
In this article we are going to study Digital signal and Analog signal along with example of digital and analog…
Physics Formula Library
Important Physics Formulas in One Place
Quickly find equations, symbols, SI units and explanations for commonly used physics formulas.
F = ma
Newton's Second Law
Force equals mass times acceleration.
KE = ½mv²
Kinetic Energy
Energy of an object due to its motion.
V = IR
Ohm's Law
Relates voltage, current and resistance.
v = fλ
Wave Speed
Speed equals frequency times wavelength.