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Grade: 12

                        

A source of sound S and a detector D are placed at some distance from one another. A big cardboard is placed near the detector and perpendicular to the line SD as shown in figure. It is gradually moved away and it is found that the intensity changes from a maximum to a minimum as the board ismoved through a distance of 20 cm. Find the frequency of the sound emitted. Velocity of sound in air is 336 m/s

2 years ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
8392 Points
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5 months ago
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Course Features

  • 101 Video Lectures
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Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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