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Intensity of a wave | Power of a Wave Intensity of a wave | Power of a Wave :- The power of a wave refers to the rate at which energy is transferred by the wave per unit of time. In other words, it is the amount of energy carried by the wave over…
Energy of a Wave Energy of a Wave :- All waves carry energy. The energy of a wave refers to the amount of energy carried by the oscillations or disturbances propagating through a medium or space. It is the measure of the ability of the wave to do work or cause a change in…
Relation between Displacement Wave and Pressure Wave Relation between Displacement Wave and Pressure Wave :- A sound wave can be expressed either by displacement of its particles from mean position or by excess pressure produced by compression and rarefaction. Consider a harmonic displacement wave moving through air contained in a long tube of cross…
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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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