HomeEveryday Science MCQsQuartz crystal in quartz watches work on the principle called? 1518. Quartz crystal in quartz watches work on the principle called?By Admin / September 17, 2025 A. Photoelectric effect B. Stark effect C. Thermionic effect D. Piezo-electric effect ✅ The correct answer is option D.
1. Which of the following does not pollute the air? Leave a Comment / Everyday Science MCQs / By Admin
2. Which of the following planets have the longest day? Leave a Comment / Everyday Science MCQs / By Admin