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Which of the following is widely employed as a piezoelectric substance?

1. Tridymite
2. Silica in amorphous form
3. Quartz
4. Mica

Correct answer: Quartz

Solution

Quartz is widely used as a piezoelectric material because it exhibits strong piezoelectric properties, allowing it to generate an electric charge in response to mechanical stress, making it ideal for various electronic applications.

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