NEET Physics MCQ: NCERT Unit Conversion

🎯Topic:Conversion Of Units For One System To Another

🎯Difficulty :Hard

🔄Ncert Concepts :Unit Conversion, Length, Scientific Notation

Related Questions

The unit of expression ${{\rm{\mu }}_0}{{\rm{\varepsilon }}_0}$ are

${\rm{m}}{{\rm{s}}^{ - 1}}$

${{\rm{m}}^2}{{\rm{s}}^{ - 2}}$

${{\rm{s}}^2}{{\rm{m}}^{ - 2}}$

${\rm{s}}{{\rm{m}}^{ - 1}}$

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎯Difficulty :Easy

🔄Ncert Concepts :Permeability of free space, Permittivity of free space, Speed of light, Dimensional analysis

The dimensional formula of $\frac{1}{{{\varepsilon _0}}}\frac{{{e^2}}}{{hc}}$ is

$\left[ {{{\rm{M}}^0}{{\rm{L}}^0}{{\rm{T}}^0}{{\rm{A}}^0}} \right]$

$\left[ {{{\rm{M}}^{ - 1}}{{\rm{L}}^3}{{\rm{T}}^2}{\rm{A}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^3}{{\rm{T}}^{ - 4}}{{\rm{A}}^{ - 2}}} \right]$

$\left[ {{{\rm{M}}^{ - 1}}{{\rm{L}}^{ - 3}}{{\rm{T}}^4}} \right]$

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Analyzing

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :Dimensional Analysis, Permittivity of Free Space, Elementary Charge, Planck's Constant, Speed of Light

What are the units of $K = 1/4\pi {\varepsilon _0}$

${C^2}{N^{ - 1}}{m^{ - 2}}$

$N{m^2}{C^{ - 2}}$

$N{m^2}{C^2}$

$Unitless$

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎯Difficulty :Easy

🔄Ncert Concepts :Coulomb's Law, Permittivity of Free Space, Units Analysis

The unit of expression ${{\rm{\mu }}_0}{{\rm{\varepsilon }}_0}$ are

${\rm{m}}{{\rm{s}}^{ - 1}}$

${{\rm{m}}^2}{{\rm{s}}^{ - 2}}$

${{\rm{s}}^2}{{\rm{m}}^{ - 2}}$

${\rm{s}}{{\rm{m}}^{ - 1}}$

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎯Difficulty :Easy

🔄Ncert Concepts :Permittivity of free space, Permeability of free space, Speed of light, Dimensional Analysis

The constant of proportionality $\frac{1}{{4{\rm{\pi }}{{\rm{\varepsilon }}_0}}}\;$ in Coulomb’s law has the following units

${{\rm{C}}^{ - 2}}{\rm{N}}{{\rm{m}}^2}$

${{\rm{C}}^2}{{\rm{N}}^{ - 1}}{{\rm{m}}^{ - 2}}$

${{\rm{C}}^2}{\rm{N}}{{\rm{m}}^2}$

${{\rm{C}}^{ - 2}}{{\rm{N}}^{ - 1}}{{\rm{m}}^{ - 2}}$

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎯Difficulty :Medium