A) above expression is dimensionally correct
B) above expression is dimensionally incorrect
C) above expression is a correct expression
D) None of these
Correct Answer: A
Solution :
Idea From dimensional analysis, we can check the dimensional accuracy of the equation but it could not tell that the expression is correct or not. Given expression is dimensionally correct but it is not correct otherwise. The correct expression is\[{{\mathbf{F}}_{ext}}=\frac{\mathbf{dP}}{dt}\] TE5T Edge Questions on different applications of dimentional analysis could be asked in JEE Main.
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