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Speed of Longitudinal Waves Speed of Longitudinal Waves :- Consider a fluid (gas/liquid) element of thickness Δx confined in a tube of cross-sectional area S as shown in figure below : Let Po be the equilibrium pressure and ρ be the equilibrium density of the fluid. The mass of the element under consideration is…
Speed of Transverse Wave | Speed of Transverse Wave on a Straight Wire Speed of Transverse Wave | Speed of Transverse Wave on a Straight Wire :- In this article, we focus on determining the speed of a transverse pulse traveling on a taut string. Consider a pulse moving on a taut string…
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A wooden block with a coin placed on its top Question :- A wooden block with a coin placed on its top, floats in water as shown in the figure. The distance l and h are shown. After some time, the coin falls into the water. Then, (A) l decreases and h increases (B) l increases and h decreases (C) Both l and h increase…
If a spring of stiffness k is cut into two parts A and B of length lA : lB = 2 : 3, then the stiffness of spring A is given by Question :- If a spring of stiffness k is cut into two parts A and B of length lA : lB = 2 : 3,…
A hunter aims his gun and fires a bullet directly at a monkey on a tree. At the instant the bullet leaves the barrel of the gun, the monkey drops. The bullet Question :- A hunter aims his gun and fires a bullet directly at a monkey on a tree. At the instant the…
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Growth of Ice on Lake Growth of Ice on Lake :- The growth of ice on a lake is a fascinating natural process that occurs during cold weather conditions. When the air temperature drops below freezing (0°C or 32°F), the heat from the lake’s surface is transferred to the colder air, causing the water at…
Thermal Resistance | Thermal Resistance Formula Thermal resistance is a concept that quantifies how effectively a material or an object resists the flow of heat. It represents the impediment that a substance poses to the transfer of heat energy. Just as electrical resistance hinders the flow of electric current, thermal resistance hampers the…
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Fourier Law of Heat Conduction Fourier Law of Heat Conduction :- The Fourier’s Law of Heat Conduction is a fundamental principle in thermodynamics that describes the rate of heat transfer through a material by conduction. It was formulated by the French mathematician and physicist Jean-Baptiste Joseph Fourier. This law provides a mathematical relationship between…
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Temperature Gradient The temperature gradient is a fundamental concept in thermodynamics and heat transfer that quantifies the rate of change of temperature with respect to distance. It describes how the temperature of a substance changes as we move from one point to another within it. In other words, it represents how quickly or slowly…
Thermal Conduction Thermal conduction is the process of heat transfer through direct contact between particles within a substance, particularly in solids(except Hg). It occurs due to the exchange of kinetic energy between neighboring particles, resulting in the transfer of heat energy from regions of higher temperature to regions of lower temperature. In thermal conduction,…
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