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Byju's Answer
Standard XII
Chemistry
Units and Dimensions
What is the u...
Question
What is the unit of Planck's Constant?
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Solution
A fundamental constant, equal to the energy of a quantum of electromagnetic radiation divided by its frequency.
Its SI unit is
j
o
u
l
e
-
s
e
c
o
n
d
.
Its value is precisely
6
.
62607015
×
10
-
34
joule second.
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[
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ion exhibits a single absoption band at
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(
Planck constant
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×
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−
34
J
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