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JEE PHYSICS MCQ: UNITS & MEASUREMENTS
1
Medium
1 of 1
Analyzing
+4 | -1
Which of the following physical quantities have the
same dimensions?
same dimensions?
View answer and explanation
Correct option: A
Electric displacement
and surface charge
density
and surface charge
density
Option A is correct because the intensity of sound is related to the energy density of the medium, which increases with the density of the medium.
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Statement-II: Numerical value of constant of proportionality can be found from experiments only The dimensions of torque are The physical quantity having the dimensions is A quantity X is given by , where is the permittivity of free space, L is a length, is a potential difference and is a time interval. The dimensional formula for X is the same as that of
Reason: Acceleration has the dimensions of The method of dimensional analysis can be used to derive which of the following relations? Statement-I: Dimensions of constant of proportionality of constants can be derived from dimensional method
Statement-II: Numerical value of constant of proportionality can be found from experiments only The dimensions of torque are The physical quantity having the dimensions is A quantity X is given by , where is the permittivity of free space, L is a length, is a potential difference and is a time interval. The dimensional formula for X is the same as that of
