NEET Physics MCQ: NCERT Units & Measurement

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :Dimensional analysis, Exponential function

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

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🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :Ideal Gas Law, Dimensional Analysis

The dimensions of $\frac{R}{L}$ are

[here, R=electric resistance, L=self inductance]

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

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

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

$\left[ T \right]$

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🎯Topic:Conversion Of Units For One System To Another

🎯Difficulty :Easy

🔄Ncert Concepts :Dimensional Analysis, Electric Resistance, Self Inductance

The dimensions of magnetic field in M, L, T and C (coulomb) is given as

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

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

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

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

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :magnetic field, dimensional analysis, force on a moving charge

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

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🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Analyzing

⚡ Time Required :3 mins

🔄Ncert Concepts :Dimensional Analysis, Planck's Constant, Angular Momentum, Impulse, Linear Momentum, Frequency, Pressure, Young's Modulus

Dimensional formula for torque is

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

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

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

$LM{T^{ - 2}}$

Question Tags

🎯Topic:Conversion Of Units For One System To Another

🔄Ncert Concepts :torque, dimensional analysis

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

10.

A pressure of 1 atmosphere is equal to how many Pascals?

1013.25 Pa

101325 Pa

101.325 Pa

10.1325 Pa

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