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Question. Quartz crystal in quartz watches work on the principle called?
Photoelectric effect
Stark effect
Thermionic effect
Piezo-electric effect
None of these
Answer
Correct Answer is:
Piezo-electric effect
Important MCQs
Question:
Coming of Khiljis to power is known as:
Question:
The author of the Novel “Godfather” is______________?
Question:
The Picture on the back of 500 Rupee Pakistani Note?
Question:
The halogen which reacts very slowly with halogen is________________?
Question:
Organ of body which is protected by tarsals is
Question:
Gymnophobia is the fear of____________?
Question:
Saliva contains__________?
Question:
Electron was discovered by?
Question:
Pollen grains in pinus have __________ for dispersal through wind?
Question:
The Shortest Surah Al-Kawthar (الكوثر) has ______ verses?
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Learning is like rowing upstream: not to advance is to drop back. – Chinese proverb