Physics

# Give two example of dimension less variables.

##### SOLUTION
Coefficient of Friction $(\mu)$ and and Relative Density are dimensionless variables.

You're just one step away

Subjective Medium Published on 18th 08, 2020
Questions 244531
Subjects 8
Chapters 125
Enrolled Students 202

#### Realted Questions

Q1 Single Correct Medium
The dimensions of $\dfrac {1}{\epsilon_0}\dfrac {e^2}{hc}$ are
• A. $M^{-1}L^{-3}T^4A^2$
• B. $ML^{3}T^{-4}A^{-2}$
• C. $M^0L^0T^0A^0$
• D. $M^{-1}L^{-3}T^2A$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q2 Single Correct Medium
What is the dimensional formula of Inductance?
• A. $[ML^2T^{-2}A^{-2}]$
• B. $[ML^2TA^{-2}]$
• C. $[ML^2T^{-1}A^{-2}]$
• D. $[ML^2T^{-2}A^{-1}]$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q3 Single Correct Medium
In a hypothetical system the physical quantities, time (T), volume (V) and momentum (p) have been chosen as fundamental quantities. In this system mechanical power will be expressed as
• A. $[{ p }^{ -2 }{ V }^{ 3 }T]$
• B. $[{ p }^{ -2 }{ V }^{ 3 }{ T }^{ -1/2 }]$
• C. $[p{ V }^{ 1/3 }{ T }^{ -2 }]$
• D. $[p{ V }^{ 2 }{ T }^{ -1/3 }]$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q4 Single Correct Medium
The set of physical quantities among the following which are dimensionally different is:
• A. terminal velocity, drift velocity, critical velocity
• B. potential energy, work done, kinetic energy
• C. pressure, stress, rigidity modulus
• D. disintegration constant, frequency, angular velocity
• E. dipole moment, electric flux, electric field

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q5 Single Correct Medium
The dimensional formula of pressure is
• A. $[MLT^{-2} ]$
• B. $[ML^2T^{-2} ]$
• C. $[ML^{-1}T^{-2} ]$
• D. $[M^0L^{-1}T^{-2} ]$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020