Qt drag item

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Sardi aayi class 3

Questions generated through the think- puzzle- explore were researched by students using iPads. The structure of an eye was demonstrated through an experiment in the class. As an extension to the experiment, a labelled diagram was drawn on the floor to indicate different parts of the human eye. The unit was recapitulated with help of a video on the functioning of the eye.

Acoustic quieting

Acoustic quieting is the process of making machinery quieter by damping vibrations to prevent them from reaching the observer. Machinery vibrates, causing sound waves in air, hydroacoustic waves in water, and mechanical stresses in solid matter. Quieting is achieved by absorbing the vibrational energy or minimizing the source of the vibration.