NEET Physics MCQ: NCERT Unit Conversion | NEET.Guide Questions

100 cm is equivalent to how many kilometers?

A

0.01 km

B

0.1 km

C

1 km

D

0.001 km

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Remembering

🎯Difficulty :Easy

⚡ Time Required :1 mins

🔄Ncert Concepts :Unit Conversion, Length

Related Questions

Dimensions of ohm are same as (h-Planck’s constant, e-charge)

A

h/e

B

${h^2}/e$

C

$h/{e^2}$

D

${h^2}{e^2}$

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Analyzing

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :Ohm's law, Planck's constant, Charge, Dimensional Analysis

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

A

${\upsilon ^2}/rg$

B

${\upsilon ^2}r/g$

C

${\upsilon ^2}g/r$

D

${\upsilon ^2}rg$

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Dimensional Analysis, Units of Measurement

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

A

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

B

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

C

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

D

None of these

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Dimensional Analysis, RC circuit

Unit of electric flux is

A

Vm

B

${\rm{Nm}}/{{\rm{C}}^{ - 1}}$

C

${\rm{V}}{{\rm{m}}^{ - 1}}$

D

${\rm{CN}}{{\rm{m}}^{ - 1}}$

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Remembering

🎯Difficulty :Medium

⚡ Time Required :1 mins

🔄Ncert Concepts :electric flux, units

Out of the following which pair of quantities do not have same dimensions

A

Planck’s constant and angular momentum

B

Work and energy

C

Pressure and Young’s modulus

D

Torque and moment of inertia

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Analyzing

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :Dimensional Analysis, Planck's constant, Angular Momentum, Work, Energy, Pressure, Young's Modulus, Torque, Moment of Inertia

The unit of L/R is (where L=inductance and R= Resistance)

A

Sec

B

$Se{c^{ - 1}}$

C

Volt

D

Ampere

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Application

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :Inductance, Resistance, Time Constant, Units Analysis

Which of the following sets have different dimensions?

A

Pressure, Young’s modulus, Stress

B

Emf, Potential difference, Electric potential

C

Heat, Work done, Energy

D

Dipole moment, Electric flux, Electric field

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Analyzing

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :Dimensional analysis, Pressure, Young's modulus, Stress, Emf, Potential difference, Electric potential, Heat, Work done, Energy, Dipole moment, Electric flux, Electric field

The number of particles given by $n = - D\frac{{{n_2} - {n_1}}}{{{x_2} - {x_1}}}$ are crossing a unit area perpendicular to x-axis in unit time, where ${n_1}$ and ${n_2}$ are the number of particles per unit volume for the values ${x_1}$ and ${x_2}$ of x respectively. Then the dimensional formula of diffusion constant D is

A

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

B

$\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 4}}} \right]$

C

$\left[ {{{\rm{M}}^0}{\rm{L}}{{\rm{T}}^{ - 3}}} \right]$

D

$\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 1}}} \right]$

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Dimensional Analysis, Diffusion

The dimensional formula for impulse is

A

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

B

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

C

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

D

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

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Impulse, Dimensional Analysis, Force, Time

The physical quantity having the dimensions $\left[ {{{\rm{M}}^{ - 1}}{{\rm{L}}^{ - 3}}{{\rm{A}}^2}{T^3}} \right]$ is

A

Resistance

B

Resistivity

C

Electrical conductivity

D

Electromotive force

Question Tags

📚 Subject:Physics

📑 Chapter:Units And Measurement

🎯Topic:Conversion Of Units For One System To Another

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Dimensional analysis, Electrical conductivity, Resistance, Resistivity, Electromotive force

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