Verified Solution • 2025–26 Session moderate

QJEEM21Ph7815: JEE Main 2021 Physics - Class 11 JEEM21Ph7815 Solution: Match List - I with List - II. List - I List - II (a) (Rydberg…

Match List - I with List - II.

List - I List - II
(a) RH{R_H} (Rydberg constant) (i) kg m−1s−1kg\,{m^{ - 1}}{s^{ - 1}}
(b) h (Planck's constant) (ii) kg m2s−1kg\,{m^2}{s^{ - 1}}
(c) μB{\mu _B} (Magnetic field energy density) (iii)  m−1\,{m^{ - 1}}
(d) η\eta (coefficient of viscocity) (iv) kg m−1s−2kg\,{m^{ - 1}}{s^{ - 2}}


Choose the most appropriate answer from the options given below :

Multiple Choice Options

  • A (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
  • B (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
  • C (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
  • D (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)

Step-by-Step Verified Solution

SI unit of Rydberg const. = m −- 1

SI unit of Plank's const. = kg m2s −- 1

SI unit of Magnetic field energy density = kg m −- 1s −- 2

SI unit of coeff. of viscosity = kg m −- 1s −- 1

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