The prefix 'Peta' in the SI system represents which power of 10?
A. 10^18
B. 10^15
C. 10^9
D. 10^12
Answer: Option B
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:
Methane (CH₄) is primary component. LPG is mainly propane and butane. CNG is compressed methane. This relates to everyday physics and chemistry.
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