Question

Arrange the following objects according to loudness of whistle in decreasing order (Loudest whistle on top).

• A. Metallic whistle
• B. Leaf of a tree
• C. Pen cap
• D. Balloon whistle

Answer 1

The loudness of a whistle depends upon the material that is used to create it.
Out of these materials, the metallic whistle will create the loudest sound, followed by the sound produced by pen cap, balloon whistle and finally the leaf. Whistle made from leaf of tree does not create loud sound.