Statement-I : A physical quantity can be regarded as a vector, if magnitude as well as direction is associated with it.
Statement-II : A physical quantity can be regarded as a scalar quantity, if it is associated with magnitude only.

Options

A. Statement-I is true, Statement-II is true, Statement-II is correct explanation for statement-I
B. Statement-I is true, Statement-II is true, Statement-II is NOT a correct explanation for statement-I
C. Statement-I is true, Statement-II is false.
D. Statement-I is false and Statement-II is true.

Answer

4

Explanation

Using searle's method young modules is calculated
`y=(F//A)/((Delta l)/l)`
`(dy)/y=(dF)/F+(dA)/A+(dl)/l+(d(Deltal))/(Deltal)`
Only `Delta l` calculations have error `%` error of
`y=(dy)/yxx100=(d Delta l)/(Delta l)xx100=(1xx10^(-5))/(25xx10^(-5))xx100=4 %`