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The characteristic distance at which qua...

The characteristic distance at which quantum gravitational effects are significant, the Planck length, can be determined from a suitable combination of the fundamental physical constants G, h and c. Which of the following correctly gives the Planck length ?

A

`Gh^2c^3`

B

`G^2hc`

C

`1/(G^2 hc)`

D

`((Gh)/(c^3))^(1//2)`

Text Solution

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The correct Answer is:
D
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