Physics

The expression $$[ML^{-1}T^{-2}]$$ does not represent


ANSWER

power


SOLUTION
Dimension of pressure, stress & Young's modulus is $$ \left[ { M }^{ 1 }{ L }^{ -1 }{ T }^{ -2 } \right] $$
while dimension of power $$=\dfrac {energy}{time}=\dfrac {ML^2T^{-2}}{T}=[ML^2T^{-3}]$$.
View Answers

You're just one step away

Create your Digital Resume For FREE on your name's sub domain "yourname.wcard.io". Register Here!


Single Correct Medium Published on 18th 08, 2020
Next Question
Questions 244531
Subjects 8
Chapters 125
Enrolled Students 199
Enroll Now For FREE

Realted Questions

Q1 Subjective Hard
Show that when two quantities are added or subtracted, the absolute error in the final result is the sum of the absolute errors in the individual quantities.

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q2 Single Correct Hard
Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?
  • A. Pressure and Young's modules
  • B. Planck's constant and Angular momentum
  • C. Impulse and moment of force
  • D. Force and rate of change of linear momentum

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q3 Single Correct Medium
The dimensional formula of farad is
  • A. $$[M^{-1}L^{-2}TQ]$$
  • B. $$[M^{-1}L^{-2}T^{2}Q^2]$$
  • C. $$[M^{-1}L^{-2}TQ^2]$$
  • D. $$[M^{-1}L^{-2}T^{2}Q]$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q4 Subjective Medium
A typical sugar cube has an edge length of $$1\ cm$$. If you had a cubical box that contained a mole of sugar cubes, what would its edge length be? (One mole $$=6.02\times 10^{23}$$ units)

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q5 Subjective Medium
What is meant by Precision?

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer