Site navigation

Planck’s constant has the same dimension as

Question and options

Planck’s constant has the same dimension as
  1. Force × Time
  2. Force × Distance
  3. Force × Speed
  4. Force × Distance × Time

Answer and explanation

Correct answer: D - Force × Distance × Time
From E=hνE = h\nu, h=E/νh = E/\nu has units J s. Energy = force × distance, so h has dimensions of force × distance × time [ML2T−1][\mathrm{ML^2T^{-1}}].

Practice for these exams

  • CUSAT CAT M.Sc. Forensic Science

  • Bihar Judicial Services

    Subject revision

  • Uttarakhand Judicial Services

    Subject revision

Related question papers

Related exam syllabi

More solved explanations in General science & technology