What is Singularity?
Definition In physics, a singularity is a point in spacetime where gravity becomes infinitely strong and the usual laws of physics no longer work. It’s… Read More »What is Singularity?
What is an Event Horizon?
Definition An event horizon is the invisible boundary around a black hole beyond which nothing — not even light — can escape. It’s often called… Read More »What is an Event Horizon?
Find the value of W and the tensions in the three strings in fig 23.32. CF and DE are horizontal.
Question Find the value of W and the tensions in the three strings in fig 23.32. CF and DE are horizontal. Solution Here is how… Read More »Find the value of W and the tensions in the three strings in fig 23.32. CF and DE are horizontal.
The current through a resistor in an a.c circuit is given as 2sinωt
Question The current through a resistor in an a.c circuit is given as 2sinωt. Determine the d.c equivalent of the current. Solution The equation given… Read More »The current through a resistor in an a.c circuit is given as 2sinωt
Calculating the Scalar Product Using Components
Calculating the Scalar Product Using Components We can calculate the scalar product Ä • B directly if we know the x-, y-, and 2-components of… Read More »Calculating the Scalar Product Using Components
Find the acceleration of the stack of books if the stack has a total mass of 1.5 kg
Question find the acceleration of the stack of books if the stack has a total mass of 1.5 kg Solution Data: The information we need… Read More »Find the acceleration of the stack of books if the stack has a total mass of 1.5 kg
a student stands on a bathroom scale in an elevator at rest on the 64th floor of a building the scal
Question A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 836 N.… Read More »a student stands on a bathroom scale in an elevator at rest on the 64th floor of a building the scal
A possible fusion reaction is
Question A possible fusion reaction is 12H + 12H —-> 13H + 11H + Q, where Q is the energy released as a result of… Read More »A possible fusion reaction is
What is Black Body Radiation?
1. What is Black Body Radiation? In physics, a black body is an idealization used to describe a body that absorbs all electromagnetic radiation, regardless… Read More »What is Black Body Radiation?
What is Heisenberg Uncertainty Principle and Its Formula?
What is Heisenberg’s Uncertainty Principle? The Heisenberg Uncertainty Principle is a fundamental concept in quantum mechanics that states it is impossible to simultaneously know the… Read More »What is Heisenberg Uncertainty Principle and Its Formula?
What is Young’s Modulus?
What is Young’s Modulus? Young’s Modulus, often denoted as “E,” is a fundamental material property that measures the stiffness or rigidity of a material. It… Read More »What is Young’s Modulus?
Understanding the Acceleration of Free Fall
What is Acceleration of Free Fall? Acceleration of free fall, often referred to as “gravity” or “acceleration due to gravity,” is the rate at which… Read More »Understanding the Acceleration of Free Fall
Importance of the Newton’s Laws of Motion
Importance of the Newton’s Laws of Motion The importance of the Newton’s laws of motion: You may also like to read: Newton’s Laws of Motion… Read More »Importance of the Newton’s Laws of Motion
Capacitors in Series and Parallel
What is Capacitors? Capacitor Definition: A capacitor is an electronic component that stores and releases electrical energy. It consists of two conductive plates separated by… Read More »Capacitors in Series and Parallel
How to Find Velocity from Position-Time Graph
How to Find Velocity from Position-Time Graph: When dealing with the motion of objects, understanding their velocity is very important. Velocity gives us insights into… Read More »How to Find Velocity from Position-Time Graph