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The ratio of S.I.unit and C.G.S unit of plank's constant to is

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107

10−3

106

10−5

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detailed solution

Correct option is A

S.I unit of plank's constant is Joule sec = Kg m2 s-1 C.G.S unit of plank's constant is erg sec = gm cm2 s-1Kg m2s-1gm cm2 s-1=103gm104cm2s-1gm cm2s-1=107

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