Share your mnemonics and shortcut tricks with us

Hello frns, If u have made any mnemonic or funda or shortcut trick in Physics, Chemistry or Biology, you can share it with us.
Just submit your mnemonic below and if found useful, it would be published in my forthcoming books for physics, chemistry and biology along with your name.

Submit your contributions here: http://neetatyourfingertips.com/mnemonics/

For mnemonics in Biology, Refer to my books Handbook of Biology ( available) & Biology @ your fingertips ( to be released in January).

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