Question

U1, U2, are units of physical quantities, N1,N2 are numerical values then​

Answer 1

Answer:

Physical quantity (p) = Numerical value (n) x Unit (u)

If physical quantity remains constant then

n∝1/u

∴ n 1 u 1 = n 2 u 2

therefore A part is correct.

hope it helps

mark as brainliest