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Young's modulus of elasticity bbY is exp...

Young's modulus of elasticity `bbY` is expressed in terms of three derived quantities, namely, the gravitational constant G, Planck's constant `bbh` and the speed of light c. as `bbY =` `c^alphah^betaG^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`

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