The prefix 'Peta' in the SI system represents which power of 10?
A. 10^18
B. 10^9
C. 10^15
D. 10^12
Answer: Option C
Solution (By JKSSB Mock Tests)
In the SI system of prefixes, 'Peta' stands for 10^15. Other common large prefixes include Kilo (10^3), Mega (10^6), Giga (10^9), Tera (10^12), and Exa (10^18). It's crucial to memorize both positive and negative powers (like nano, pico, femto) for competitive exams.
Explanation:
Albert Einstein proposed special relativity (1905) and general relativity (1915), revolutionized concepts of space, time, gravity. E=mc². Newton classical mechanics. Galileo telescope, falling bodies. Watt steam engine.
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