The unity of Planck's constant 'h' in the equation, E = hv is____________________?
Correct answer: B. J.S
- A. J/s
- B. J.S
- C. J/kmol
- D. kmol/J
Explanation
From E = hν, h has units of energy divided by frequency. Since frequency has units s⁻¹, the unit of Planck’s constant is J·s.
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