JEE Physics Practice Question

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?

1. A.$\alpha=7, \beta=-1, \gamma=-2$
2. B.$\alpha=-7, \beta=-1, \gamma=-2$
3. C.$\alpha=7, \beta=-1, \gamma=2$
4. D.$\alpha=-7, \beta=1, \gamma=-2$