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KCET2019PhysicsUnits and Dimensions

If ( P, Q ) and ( R ) are physical quantities having different dimensions, which of the following combinations can never be a meaningful quantity?

Options

  1. A( P Q R )
  2. B( P-Q R )
  3. C( P R-Q² R )
  4. DPQ - R

Correct answer

B. ( P-Q R )

Step-by-step solution

(B) Principle of homogeneity

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