If ${u_1}$ and ${u_2}$ are the units selected in two systems of measurement and ${n_1}$ and ${n_2}$ their numerical values, then
If ${u_1}$ and ${u_2}$ are the units selected in two systems of measurement and ${n_1}$ and ${n_2}$ their numerical values, then
- A
${n_1}{u_1} = {n_2}{u_2}$
- B
${n_1}{u_1} + {n_2}{u_2} = 0$
- C
${n_1}{n_2} = {u_1}{u_2}$
- D
$({n_1} + {u_1}) = ({n_2} + {u_2})$
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Unit of self inductance is
Volt/metre is the unit of
Match List$-I$ with List$-II$.
List$-I$
List$-II$
$(a)$ ${R}_{{H}}$ (Rydberg constant)
$(i)$ ${kg} {m}^{-1} {s}^{-1}$
$(b)$ $h$ (Planck's constant)
$(ii)$ ${kg} {m}^{2} {s}^{-1}$
$(c)$ $\mu_{{B}}$ (Magnetic field energy density)
$(iii)$ ${m}^{-1}$
$(d)$ $\eta$ (coefficient of viscocity)
$(iv)$ ${kg} {m}^{-1} {s}^{-2}$
Choose the most appropriate answer from the options given below:
Match List$-I$ with List$-II$.
| List$-I$ | List$-II$ |
| $(a)$ ${R}_{{H}}$ (Rydberg constant) | $(i)$ ${kg} {m}^{-1} {s}^{-1}$ |
| $(b)$ $h$ (Planck's constant) | $(ii)$ ${kg} {m}^{2} {s}^{-1}$ |
| $(c)$ $\mu_{{B}}$ (Magnetic field energy density) | $(iii)$ ${m}^{-1}$ |
| $(d)$ $\eta$ (coefficient of viscocity) | $(iv)$ ${kg} {m}^{-1} {s}^{-2}$ |
Choose the most appropriate answer from the options given below:
- [JEE MAIN 2021]
Light year is a unit of
Unit of stress is
Unit of stress is