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Question
Which of the following materials can be used to produce the loudest whistling sound?
Which of the following materials can be used to produce the loudest whistling sound?
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Solution
The correct option is C Pen cap
The loudness of the whistle depends on the type of materials used to make it.
While using materials like a leaf blade, balloon, wrapper toffee, and cap of the pen for making a whistle, the loudness varies as per this order:
Leaf blade < balloon < wrapper of toffee < cap of a pen.
So, whistle made of pen cap will produce the loudest sound.
The loudness of the whistle depends on the type of materials used to make it.
While using materials like a leaf blade, balloon, wrapper toffee, and cap of the pen for making a whistle, the loudness varies as per this order:
Leaf blade < balloon < wrapper of toffee < cap of a pen.
So, whistle made of pen cap will produce the loudest sound.
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