If the dimensions of a physical quantity are given by M^aL^bT^c, then the physical quantity will be **[CBSE PMT 2009]**

JEE Main Physics question

If the dimensions of a physical quantity are given by , then the physical quantity will be **[CBSE PMT 2009]**

(A)Pressure if Correct
(B)Velocity if
(C)Acceleration if
(D)Force if

Answer: (A)

Solution

Pressure has dimension , i.e. , which matches option (A). True velocity has dimension (mass exponent 0, not 1 as stated in (B)); true acceleration has dimension (again mass exponent 0, not 1 as stated in

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-157364