COMEDK · Physics · 2. Units and Dimensions
In the equation \(X = G^{-1/2}\,h^{1/2}\,c^{5/2}\), where G- universal gravitation constant, h- Planck's constant and c- velocity of light, the dimensions of X are that of
- A Upthrust
- B Momentum
- C Stress
- D Energy
Answer & Solution
Correct Answer
(D) Energy
Step-by-step Solution
Detailed explanation
The dimensional formulas for the given physical quantities are: \([G] = [M^{-1} L^3 T^{-2}]\) \([h] = [M L^2 T^{-1}]\) \([c] = [L T^{-1}]\) Given the expression \(X = G^{-1/2} h^{1/2} c^{5/2}\), substituting the dimensions:…
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