Modern Physics — Medium JEE physics MCQ
Young's modulus of elasticity $Y$ is expressed in terms of three derived quantities, namely, the gravitational constant $G$, Planck's constant $h$ and the speed of light $c$, as $Y=c^{\alpha} h^{\beta} G^{\gamma}$. Which of the following is the correct option?
- A. $\alpha=7, \beta=-1, \gamma=-2$
- B. $\alpha=-7, \beta=-1, \gamma=-2$
- C. $\alpha=7, \beta=-1, \gamma=2$
- D. $\alpha=-7, \beta=1, \gamma=-2$
Solution
The correct option is **A**.