NEET Physics Units And Measurement Conversion Of Units For One System To Another MCQs

$3.8 imes 10^{10}$ km

$1.2 imes 10^{13}$ km

$3.8 imes 10^{13}$ km

$1.2 imes 10^9$ km

$1.5 imes 10^{12}$ molecules $cm^{-3}$ $\mu s^{-1}$

$2.5 imes 10^{18}$ molecules $cm^{-3}$ $\mu s^{-1}$

$1.5 imes 10^{15}$ molecules $cm^{-3}$ $\mu s^{-1}$

$4.2 imes 10^{20}$ molecules $cm^{-3}$ $\mu s^{-1}$

Pressure, Young’s modulus, Stress

Emf, Potential difference, Electric potential

Heat, Work done, Energy

Dipole moment, Electric flux, Electric field

Current density and charge density

Angular momentum and momentum

Spring constant and surface energy

Force and torque

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

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

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

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

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

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

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

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

Planck’s constant and angular momentum

Work and energy

Pressure and Young’s modulus

Torque and moment of inertia

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

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

$\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^0}} \right]$

Dimensionless

[A]

$\left[ {{A^2}} \right]$

$\left[ {{A^{ - 1}}} \right]$

None of these

T = \sqrt{\frac{L}{g}}

T = 2π\sqrt{\frac{g}{L}}

T = 2π\sqrt{\frac{l}{G}}

T = 2π\sqrt{\frac{R^2}{GM}}