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What is the value of Planck's constant?...

What is the value of Planck's constant?

A

`5.67 xx 10^(-8)J-s`

B

`6.625 xx 10^(-34)J.s`

C

`6.022 xx 10^(23)J.s`

D

`9xx 10^(9)J.s`

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