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Dual Nature of Radiation and Matter — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsDual Nature of Radiation and Matter1 Mark
MCQ
Planck constant has the same dimensions as:
  • A
    Force × time.
  • B
    Force × distance.
  • C
    Force × speed.
  • D
    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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