Question
Planck constant has the same dimensions as:
  1. Force × time.
  2. Force × distance.
  3. Force × speed.
  4. Force × distance × time.

Answer

  1. Force × distance × time.
Explanation:
Planck's constant
$\text{h}=\frac{\text{E}}{\text{v}}=\frac{\text{Force}\times\text{distanace}}{\text{frequency}}$
$\Rightarrow\text{h}=\text{force}\times\text{distance}\times{\text{times}}.$

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