Explain limitations of dimensional analysis, Physics

Assignment Help:

(i)  The size examines cannot be operated to derive relations other than product of power functions, for example, s = ut + 1/2 at2 or y = y0 cosωt and so on, cannot be derived openly.

(ii) The size examines cannot be operated to measure those relations that involve more than 3 unknowns, Though, we can use them to check the correctness of a relation even if variables are more than 3.

(iii) Even if a physical value relays upon 3 quantities, out of which two have similar dimension then dimensional analysis cannot be applied to derive such a formula but can be used to check the relation.

(iv) Numerical trigonometric ratios, constants and ratios which are dimensionless cannot be derived.

(v) Physical quantities having similar dimensions may not be the similar. For example [ML2T-2] is a dimensional relation for torque as well as work or energy.

 

 


Related Discussions:- Explain limitations of dimensional analysis

How radar gun measuring the velocity, When a radar gun says the pitch is 90...

When a radar gun says the pitch is 90 miles per hour at what point in the balls travel to home plate is the radar gun measuring the velocity? The measurement is made at the po

Explain friction force (ffrict), Explain Friction Force (Ffrict) Force ...

Explain Friction Force (Ffrict) Force exerted by a surface as an object moves across it or makes an effort to move across it. There are 2 parts of friction force - sliding and

Illustrate the characteristics of a sound note, Illustrate the characterist...

Illustrate the characteristics of a sound note. What do you mean by Resonance? Illustrate with an example.

Explain photo diode, In these diodes electron and hole pairs are formed by ...

In these diodes electron and hole pairs are formed by junction photoelectric effect. That is the covalent bonds are broken by the EM radiations absorbed by the electron in the V.B.

Reflection of a pulse at a free end, Reflection of a Pulse at a Free End ...

Reflection of a Pulse at a Free End Let's assume a pulse moving by a medium - perhaps by a rope or a slinky. What happens to the pulse while it reaches the end of in which medi

Ac output resistance in common base configuration, AC  Output  Resistance  ...

AC  Output  Resistance  in  Common  Base  Configuration Ratio  of  change  in collector-base  voltage  ( ? V CB )  to  resulting  change  in  collector  current  ( ? I C )  at

Ray optics, sign conventions for lenses

sign conventions for lenses

Determine the acceleration of gravity, When a person stands on a scale in a...

When a person stands on a scale in an elevator at rest, the scale reads 800 newtons. When the elevator is allowed to fall freely with acceleration of gravity, the scale reads o

Moment of inertia, define moment of inertia and it''s physical significance...

define moment of inertia and it''s physical significance

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd