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For producing sound, a CD (compact disc) audio player uses a

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For producing sound, a CD (compact disc) audio player uses a A. Quartz crystal B. Titanium needle C. Laser beam D. Barium Titanium ceramic Check Answer Complaint Here As Incorrect Question / Answer

Related Questions Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? A. 1.8 km, 0.15 km B. 2.2 km, 0.20 km C. 2.8 km, 0.25 km D. 3.3 km, 0.30 km Check Answer Complaint Here As Incorrect Question / Answer Modern movie songs released are the best in quality of sound. The rich quality of sound is due to which one of the following ? A. A note of high frequency B. A note of high amplitude C. Consists many harmonics D. Consists the fundamental frequency Check Answer Complaint Here As Incorrect Question / Answer 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 Check Answer Complaint Here As Incorrect Question / Answer Compact discs, (according to the original CD specifications) hold how many minutes of music? A. 74 mins B. 56 mins C. 60 mins D. 90 mins Check Answer Complaint Here As Incorrect Question / Answer What is the name of country has recently withdrawn from United Nations’ Global Compact on Migration? A. Iceland B. Thailand C. Libya D. United Kingdom Check Answer Complaint Here As Incorrect Question / Answer

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