JEE Main 2022 (Online) 27th June Evening Shift | Units & Measurements Question 72 | Physics

A silver wire has a mass (0.6 $$\pm$$ 0.006) g, radius (0.5 $$\pm$$ 0.005) mm and length (4 $$\pm$$ 0.04) cm. The maximum percentage error in the measurement of its density will be :

JEE Main 2022 (Online) 26th June Evening Shift

MCQ (Single Correct Answer)

-1

The dimension of mutual inductance is :

$$[M{L^2}{T^{ - 2}}{A^{ - 1}}]$$

$$[M{L^2}{T^{ - 3}}{A^{ - 1}}]$$

$$[M{L^2}{T^{ - 2}}{A^{ - 2}}]$$

$$[M{L^2}{T^{ - 3}}{A^{ - 2}}]$$

JEE Main 2022 (Online) 26th June Morning Shift

MCQ (Single Correct Answer)

-1

An expression for a dimensionless quantity P is given by $$P = {\alpha \over \beta }{\log _e}\left( {{{kt} \over {\beta x}}} \right)$$; where $$\alpha$$ and $$\beta$$ are constants, x is distance; k is Boltzmann constant and t is the temperature. Then the dimensions of $$\alpha$$ will be :

[M⁰ L^$$-$$1 T⁰]

[M L⁰ T^$$-$$2]

[M L T^$$-$$2]

[M L² T^$$-$$2]

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