Question

Describe how to make the following models with the help of objects found around you.
2. Stethoscope model​

Answer 1

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The Document Object Model (DOM) is a programming API for HTML and XML documents. It defines the logical structure of documents and the way a document is accessed and manipulated. In the DOM specification, the term "document" is used in the broad sense - increasingly, XML is being used as a way of representing many different kinds of information that may be stored in diverse systems, and much of this would traditionally be seen as data rather than as documents. Nevertheless, XML presents this data as documents, and the DOM may be used to manage this data.

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Answer 2

Answer:

Take a small funnel of 6 to 7 cm in diameter . Fix a rubber tube ( 50 cm long ) tightly on the stem of the funnel . Stretch a rubber sheet (or a ballon) on the mouth of the funnel and fix it tightly with a rubber band . Put the open end of the tube on one of your ears .