Learn Carnot efficiency calculation, explaining the theoretical limits of heat engine performance and solving a related problem.
Featured Articles on: PHYSICS
First Law Thermodynamics Problem: Understanding Energy Conservation in Systems
Tackle a first law thermodynamics problem, explaining how internal energy, heat, and work interrelate in a system.
Stefan-Boltzmann Radiation Problem: Calculating Thermal Energy Emission from Surfaces
Understand the Stefan-Boltzmann Law and solve a problem to calculate the radiant power emitted by a black body at a given temperature.
Heat Conduction Rate Calculation: Thermal Flow Through Material Barriers
Learn heat conduction rate calculation using Fourier’s Law, solving a problem to determine heat loss through a windowpane.
Linear Thermal Expansion Example: Calculating Length Changes in Materials with Temperature
Explore linear thermal expansion with a practical example, calculating the change in length for a metal rod due to temperature fluctuation.
Latent Heat Fusion Problem: quantifying energy for phase changes from solid to liquid
Understand the concept of latent heat of fusion and solve a numerical problem calculating the energy needed to melt ice without temperature change.
Calculate Specific Heat Capacity: How Materials Absorb Heat and Change Temperature
Discover how to calculate specific heat capacity, explaining how materials absorb heat, and solve a problem involving energy needed to raise water temperature.
IIT JEE Spring Numericals
Solve oscillation and elastic force numericals.
IIT JEE Mechanics Numericals
Test skills in Newton’s laws and motion.
Find all meet instants that match vertical heights with gravity
Account for g=9.8 m/s² and the start-time offset.
Find the coasting interval to plan multiphase travel efficiently
Use three phases: accelerate, coast, brake to rest at a set distance.
Compute time and acceleration by integrating position dependent velocity v(x)
Apply calculus carefully; watch units and evaluation limits.
When do they meet? Equations to analyze relative motion precisely
Translate each car’s motion into position functions; solve intersection or show none.
Find arrival time by calculus to solve 1D kinematics accurately
Integrate a(t) to v(t) and x(t), then locate the first positive root.
IIT JEE Optics Numericals
Excel in ray optics problems.
IIT JEE Gravitation Numericals
Solve gravitation based numericals.















