NEET Physics MCQ: NCERT Unit Conversion

🎯Topic:Conversion Of Units For One System To Another

⚡ Time Required :1 mins

🔄Ncert Concepts :unit conversion, concentration

Related Questions

Electric displacement is given by $D = \varepsilon E$ ,

Here, $\varepsilon$ =electric permittivity

E=electric field strength

The dimensions of electric displacement are

$\left[ {{\rm{M}}{{\rm{L}}^{ - 2}}{\rm{TA}}} \right]$

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

$\left[ {{{\rm{L}}^{ - 2}}{\rm{TA}}} \right]$

None of these

Question Tags

🎯Topic:Conversion Of Units For One System To Another

⚡ Time Required :3 mins

🔄Ncert Concepts :electric displacement, electric permittivity, electric field strength, dimensional analysis

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

🔄Ncert Concepts :Coulomb's Law, Units of Force, Units of Charge, Units of Distance, Permittivity of Free Space

The physical quantities not having same dimensions are

Torque and work

Momentum and Planck’s constant

Stress and Young’s modules

Speed and ${\left( {{{\rm{\mu }}_0}{{\rm{\varepsilon }}_0}} \right)^{ - 1/2}}$

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Analyzing

⚡ Time Required :3 mins

🔄Ncert Concepts :Dimensional analysis, Torque, Work, Momentum, Planck's constant, Stress, Young's modulus, Speed, Permeability, Permittivity

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 dimension of $\frac{1}{{\sqrt {{\varepsilon _0}{\mu _0}} }}$ is that of

Velocity

Time

Capacitance

Distance

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :Electromagnetism, Permittivity, Permeability, Velocity of light, Dimensional Analysis

The dimensions of permittivity ${\varepsilon _0}$ are

${A^2}{T^2}{M^{ - 1}}{L^{ - 3}}$

${A^2}{T^4}{M^{ - 1}}{L^{ - 3}}$

${A^{ - 2}}{T^{ - 4}}M{L^3}$

${A^2}{T^{ - 4}}{M^{ - 1}}{L^{ - 3}}$

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :Permittivity, Dimensional Analysis, Coulomb's Law

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