NEET Physics MCQ: NCERT Units & Measurement

🎯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

Related Questions

The equation of alternating current is $I = {I_0}{e^{ - t/CR}}$ , where t is time, C is capacitance and R is resistance of coil, then the dimensions of C R is

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 1}}} \right]$

$\left[ {{{\rm{M}}^0}{\rm{LT}}} \right]$

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

None of these

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :Dimensional Analysis, RC circuit

Dimensions of CR are those of

Frequency

Energy

Time period

Current

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Understanding

🔄Ncert Concepts :RC circuits, Time constant, Dimensional analysis

If C is the capacitance and V is the potential, the dimensional formula for $C{V^2}$ is

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

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

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

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

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :capacitance, potential, dimensional analysis, energy

The Planck constant is $6.626 imes 10^{-34}$ J s. Express this in units of eV s (electron-volt seconds), given 1 eV = $1.602 imes 10^{-19}$ J.

$4.136 imes 10^{-15}$ eV s

$1.062 imes 10^{-52}$ eV s

$2.418 imes 10^{14}$ eV s

$6.626 imes 10^{-15}$ eV s

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎯Difficulty :Hard

🔄Ncert Concepts :Unit Conversion, Energy, Planck's Constant

The dimensional formula of modulus of rigidity is

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

$\left[ {{\rm{M}}{{\rm{L}}^{ - 3}}{{\rm{T}}_2}} \right]$

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

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

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :modulus of rigidity, dimensional analysis, stress, strain

The physical quantity angular momentum has the same dimensions as that of

Work

Force

Momentum

Planck’s constant

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Analyzing

🎯Difficulty :Easy

🔄Ncert Concepts :angular momentum, dimensions, Planck's constant, work, force, momentum

$\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 3}}{{\rm{A}}^{ - 2}}} \right]$ is the dimensional formula of

Resistance

Resistivity

Conductance

Conductivity

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Understanding

🔄Ncert Concepts :Dimensional analysis, Electric potential, Electric resistance, Capacitance, Specific resistance

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 dimensions of pressure is equal to

Force per unit volume

Energy per unit volume

Force

energy

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Understanding

🔄Ncert Concepts :Pressure, Dimensions, Energy, Force, Volume

10.

Identify the pair which has different dimensions

Planck’s constant and angular momentum

Impulse and linear momentum

Angular momentum and frequency

Pressure and Young’s modulus

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Analyzing