NEET Physics MCQ: NCERT Unit Conversion

🎯Topic:Conversion Of Units For One System To Another

🎯Difficulty :Hard

🔄Ncert Concepts :Unit Conversion, Density

Related Questions

$M{L^3}{T^{ - 1}}{Q^{ - 2}}$ is dimensions of

Resistivity

Conductivity

Resistance

None of these

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :Dimensional Analysis, Resistivity, Resistance, Conductivity

Given that υ is speed, r is the radius and g is the acceleration due to gravity. Which of the following is dimensionless

${\upsilon ^2}/rg$

${\upsilon ^2}r/g$

${\upsilon ^2}g/r$

${\upsilon ^2}rg$

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Analyzing

🔄Ncert Concepts :Dimensional analysis, Units of physical quantities

The dimensional formula of universal gas constant is

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

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

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

None of these

Question Tags

🎯Topic:Conversion Of Units For One System To Another

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

The dimensions of Planck’s constant are

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

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}} \right]$

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

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

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :Planck's constant, Dimensional analysis, Energy, Frequency

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 inter atomic force constant are

$M{T^{ - 2}}$

$ML{T^{ - 1}}$

$ML{T^{ - 2}}$

$M{L^{ - 1}}{T^{ - 1}}$

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :Force constant, Dimensional analysis, Spring force

The dimensions of Planck’s constant is same as that of

Angular momentum

Linear momentum

Work

Coefficient of viscosity

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Understanding

🔄Ncert Concepts :Planck's constant, dimensions, angular momentum, linear momentum, work, coefficient of viscosity

If unit of length, mass and time each be doubled, the unit of work done is increased by

4 times

6 times

8 times

2 times

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :Work, Units, Dimensional Analysis

10.

The dimensional formula for Planck’s constant (h) is

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

$M{L^2}{T^{ - 2}}$

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

$M{L^{ - 2}}{T^{ - 2}}$

Question Tags

🎯Topic:Conversion Of Units For One System To Another