Speed of Sound Video Lecture | Fluid Mechanics for Mechanical Engineering
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FAQs on Speed of Sound Video Lecture - Fluid Mechanics for Mechanical Engineering
| 1. What is the speed of sound? |  |
Ans. The speed of sound is the distance traveled per unit time by a sound wave as it propagates through a medium. In dry air at 20 °C (68 °F), the speed of sound is approximately 343 meters per second (1,125 feet per second).
| 2. Does the speed of sound vary in different mediums? | |
Ans. Yes, the speed of sound varies in different mediums. It depends on the properties of the medium such as temperature, density, and elasticity. For example, sound travels faster in solids compared to liquids, and faster in liquids compared to gases.
| 3. How does temperature affect the speed of sound? | |
Ans. Temperature affects the speed of sound. Generally, as the temperature increases, the speed of sound increases. This is because higher temperatures cause the molecules in the medium to move faster, resulting in faster sound propagation. Conversely, lower temperatures decrease the speed of sound.
| 4. What is the relationship between density and the speed of sound? | |
Ans. Density and the speed of sound have an inverse relationship. Higher density in a medium leads to a lower speed of sound, and vice versa. This is because denser mediums have more particles for sound to interact with, slowing down its propagation.
| 5. How does elasticity impact the speed of sound? | |
Ans. Elasticity plays a significant role in the speed of sound. The more elastic a medium is, the faster sound can travel through it. Elasticity refers to the ability of a medium to return to its original shape after being deformed by a sound wave. Higher elasticity allows sound waves to propagate faster.
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Nov 15, 2024 Last updated |
Video Description: Speed of Sound for Mechanical Engineering 2024 is part of Fluid Mechanics for Mechanical Engineering preparation.
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