{"id":21751,"date":"2024-04-15T06:10:34","date_gmt":"2024-04-15T06:10:34","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=21751"},"modified":"2024-04-15T06:10:34","modified_gmt":"2024-04-15T06:10:34","slug":"sound-travels-with-a-different-speed-in-media-in-what-order-does-the-velocity-of-sound-increase-in-these-media-a-water-iron-and-air-b-iron-air-and-water-c-air-water-and-iron-d-iron-water-and","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/sound-travels-with-a-different-speed-in-media-in-what-order-does-the-velocity-of-sound-increase-in-these-media-a-water-iron-and-air-b-iron-air-and-water-c-air-water-and-iron-d-iron-water-and\/","title":{"rendered":"Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? A. Water, iron and air B. Iron, air and water C. Air, water and iron D. Iron, water and air"},"content":{"rendered":"

[amp_mcq option1=”Water, iron and air” option2=”Iron, air and water” option3=”Air, water and iron” option4=”Iron, water and air” correct=”option1″]<\/p>\n

The correct answer is: A. Water, iron and air<\/strong><\/p>\n

Sound travels fastest in solids, slower in liquids, and slowest in gases. This is because the molecules in a solid are packed more closely together than the molecules in a liquid, and even more closely together than the molecules in a gas. When a sound wave travels through a medium, it causes the molecules in the medium to vibrate. The closer the molecules are together, the easier it is for the sound wave to cause them to vibrate, and the faster the sound wave will travel.<\/p>\n

In water, the molecules are packed more closely together than in air, so sound travels faster in water than in air. In iron, the molecules are packed even more closely together than in water, so sound travels even faster in iron than in water.<\/p>\n

Therefore, the order of increasing velocity of sound in these media is:<\/p>\n

    \n
  1. Water<\/li>\n
  2. Iron<\/li>\n
  3. Air<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

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