JEE Advanced 2019 Physics question

Let us consider a system of units in which mass and angular momentum are dimensionless. If length has dimension of , which of the following statement(s) is/are correct?

(A)The dimension of linear momentum is Correct
(B)The dimension of energy is Correct
(C)The dimension of force is Correct
(D)The dimension of power is

Answer: (A),(B),(C)

Solution

Angular momentum and mass are dimensionless, so . Linear momentum : (A) correct. Energy

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Question ID VK-026818