JEE Main 2024 Physics question

PhysicsUnits and MeasurementJEE Main 2024

If G be the gravitational constant and u be the energy density then which of the following quantity have the dimension as that the :

Answer: (B)

Solution

[u] = ML⁻¹T⁻² and [G] = M⁻¹L³T⁻², so [uG] = L²T⁻⁴ and = LT⁻², the dimension of force per unit mass.

Question ID VK-011490