Quartz crystal in quartz watches work on the principle cal

Question. Quartz crystal in quartz watches work on the principle called?

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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Worthy Quote

Learning is like rowing upstream: not to advance is to drop back. – Chinese proverb