Choose the correct statement,

A dimensionally correct equation must be physically correct

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A dimensionally correct equation may be physically correct

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A dimensionally incorrect equation may be physically correct

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A dimensionally incorrect equation must be physically incorrect

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Solution

The correct options are
B A dimensionally correct equation may be physically correct
D A dimensionally incorrect equation must be physically incorrect
According to principle of homogeneity of dimension, an equation will be physically correct when the equation dimensionally correct. The equation will incorrect physically when the equation is dimensionally incorrect.

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Similar questions

Test dimensionally if the equation $v^{2} = u^{2}$ + 2ax may be correct.

v^{2} = u^{2} + 2 a S

Test dimensionally if the equation $v^{2} = u^{2}$ + 2ax may be correct.

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