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WHAT IS DIMENSIONAL FORMULA OF PERMITTIVITY OF VACUUM

What is the full form of CGS,FPS & MKS?

Check correctness of relation by dimensional analysis lambda =h/mv where letter have heir own usual meaning?

what is the fullform of SONAR and Radar?

What is the dimensional formula for capacitance?

what is Weber and Weber/m

^{2}is equal to?what is dimensional formula of young modulus

check the correctness of the relation:

v=root under E/P ,

where v is speed of the sound in a medium of elasticity E and density P.

How to measure the least count of the instrument???

find the dimensional formula of resistance R

Find angle of projection at which he horizontal range and maximum height of a projectile are equal?

^{-5}erg s^{-1}cm^{-2}K^{-4}. How to write its value in SI unitsWhat is the dimensional formula of Spring Constant (K)?

A dimensionless quantity --

a)Never has a unit

b)Always has a unit

c)May have a unit

d)does not exist

difference between fundamental unit and derived unit

the value of G in c.g.s. system is 6.67*10

^{-8}dyne cm^{2}/g^{2}.what is its value in s.i.^{1/2}V(V + b) where n, P, V & T are the number of moles, pressure, volume & temperature respectively & R is the universal gas constant. Find the dimensions of constant a in the above equation.universal gas constant dimensional formulae

and modulus of elasticity (E). (the

dimensional formula of E is ML-1T-2).

a) State the principle of homogeneity

b) Using the above principle, arrive at an

expression for the velocity of sound. (Take

K=1).

Two resistors of resistances R

_{1}=100±3 ohm and R_{2}=200±4 ohm are connected(a) In series, (b) in parallel. Find the equivalent resistance of the (a) series combination, (b) parallel combination. Use for (a) the relation R=R

_{1}+R_{2 }and for (b) 1/R=1/R_{1}+1/R_{2}and ΔR_{1}/R_{1}^{2}+ΔR_{2}/R_{2}^{2}?find the dimensitions of coefficient of viscocity and its SI unit .

DEtermine the dimensionl formula for potential difference

The velocity (v) of transverse waves on a string may depend upon (1) length (l) of string, (2) tension T in the string and (3) mass per unit length (m) of the string. Derive the formula dimensionally.

using dimensional analysis derive the relation :-

s=ut + 1/2 at

^{2}pls merit experts pls help..fast

A point P is taken to be origin of time and position . Two points Q and R are situated on a straight line passing through P . The positions of Q and R are 8m and 12m respectively while the instant at which the body reach these points are 3s and 5s . WHAT IS THE SPEED OF THE BODY?????A gas bubble from an explosion under water, oscillates with atime period Tproportional to p

^{a}d^{b}E^{c}, where p,d, and E arepressure, density and total energy respectively. Find the value ofa, b and c.Check the correctness of

S=ut + 1/2 at^{2}Given, E= Vit and Q= CV

what is a fractional error?

what is the dimensional formula of amplitude?

What is Personal Error, Instrumental Error and Random Error? Explain with giving an example?

PLEASE TELL ME............

The sun's angular diameter is measured to be 1920''. The distance D of the sun from the earth is 1.496 *10power -11m. What is the diameter of the sun ? will you pzzz explain me the answer .

S

_{nth}_{}=u + ( a / 2 )(2n-1) Check whether this equation is dimensionally correct or not.If momentum of an object is increased by 10%,then its kinetic energy will b increased by--?

^{2}/2+gh=constant, The dimensional formula of the constant is: (p – pressure, d-density, v = velocity, h-height, g-acceleration due to gravity) [M^{0}L^{0}T^{0}] [M^{0}LT^{0}] [M^{1}L^{0}T^{-2}A^{-1}] [M^{2 }L^{2}T^{-2}]derivation of three laws of motion

Calculate the dimensions of linear momentum and surface tension in terms of velocity,density and frequency as fundamental units?

The velocity of transverse waves on a string may depend length of the string tension of the string and mass per unit length of the string . Derive the formula dimensionally ?

Using the method of dimensions , derive an expression for rate of flow of a liquid through a pipe of radius under a pressure gradient . Given that V also depends on coefficient of viscousity of the liquid .

The velocity v of a particle depends upon time t, according to the equation v = a + bt +c/(d+t)

write the dimensions of a, b, c, d .

write the advantages and disadvantages of dimensional analysis?

There is an equation in physics, here it is!!! : U = VIt.

Can anybody please tell me what does U refer to????? Please give my answer!!!!. I will surely give thumbs up!!!!.

if the error in measurement of radius of a sphere is 2% , then the error in the determination of volume of the sphere will be4%6%8%2%answer me with suitable explainationCheck the correctness of the relation

h = r p g / 2 s cos(theta) , where h = height, r = radius, p = density, s = surface tension, and g = acceleration due to gravity.

check the correctness of the relation:

density = 3g/4 pi r G , where the letters have their usual meanings.

The percentage error in the measurement of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimate of kinetic energy obtained by measuring mass and speed?

^{2}, where F is force ,x is distance and t is the time.The van der waals equation for a gas is (P + a/v

^{2})(V-b) = RT where P = Pressure, V = Volume, T = Temperature. Find the dimensions and SI units of a,b, and the Gas Constant R.^{}A man walks on a straight road from his home to the market 2.5 km away with a speed of 5km/hr .Finding the market closed ,he instantly turns and walks back home with a speed of 7.5 km/hr .What is the magnitude of average velocity and average speed of man over the interval of time :

Does the magnitude of a physical quantity change with change in system of units?WHY OR WHY NOT????PLZZZZZ ANSWER SOON

correctness of dimensitional formula v=u+at

Energy due to position of a particle is given by U= (Alpha) y

^{1/2}/ y+(beta), where alpha and beta are constants,y is distance.what is the dimension of (alpha*beta) ?the displacement time graph for the two particles A and B are straight lines inclined at angles of 30 and 45 degrees with the time axis.what is the ratio of the velocities VA : VB ?

PLZ ANS AS SOON AS POSSIBLE ...........TOMMOROW IS MY EXAM

The velocity of sound waves 'v' through a medium may be assumed to depend on:

1. the density of the medium 'd' 2. the modulus of elasticity 's'

Deduce by the method of dimension for formula for the velocity of sound.(take dimensional constant k=1)

time for 20 swings = 17.4s

time for 50 swings = 43.2s

Calculate the average time per swing in each case. The answers are slightly different. Suggest some possible experimental reasons for this.

What is the dimensional formula of E=mc

^{2}?the velocity 'v' of water waves may depend on their wavelength, density of water and acceleration due to gravity. Find relation between these quantities by the method of dimension

Length of a sheet is17.3+_ 0.3 cm and breadth is 3.12+_ 0.08 . cm Calculate the percentage error in the area.

check the dimensional accuracy of the relation T=2pie root l/g?

Two resistors of resistances R

_{1}= 100+/-3 ohm and R_{2}= 200+/-4 ohm are connected (a) in series, (b) in parallel. Find the equivalent resistance of the (a) series combination, (b) parallel combination. Use for (a) the realtion R = R_{1}+ R_{2}and for (b) 1/R ' = 1/R_{1}+ 1/R_{2}andΔR '/R '^{2}=ΔR_{1}/R_{1}^{2}+ΔR_{2}/R_{2}^{2}.The average wavelength of light from a sodium lamp is 5893 Aangstrom. Express it in metres and in nano metres.

Can a quantity have dimensions but still no units?

Find the dimension of a/b in the equation p=a-t

^{2}/bx where p is pressure,x is distance and t is time.why we pour lycopodium powder on water to determine the size of oleic acid molecule

what is the dimensional formula for heat?

If x=a+bt+ct

^{2 where x is in metres and t is in seconds.What is the unit of c?}What is the dimensional formula of light year?

In the relation P= alpha/beta. e ^ -alphax /nr theta, P is power, x is distance, n is number of moles, r is gas constant and theta is temperature, dimensional formula of beta is____________

check the accuracy:- F.S=1/2mv^2-1/2mu^2 where F=force & S= distance

solid angle d(ohm) as the ratio of the intercepted area dA of the spherical surface , described about the apex O as the centre , to the square of its radius r.

please explain with the help of diagrams.

Can a quantity have units but still dimensionless? Can a quantity have dimensions but still unitless?

express 1 atmospheric pressure (=10to to the power 5N(mto the power -2) in cgs system plzz tell

the period of oscillation of a simple pendulum is T=2pi√4g. measured value of l is 20.0 cm known to 1mm accuracy and time for 100 oscillations of the pendulum is found to be 90s using a wrist watch of 1s resolution. What is the determination of g.

radius of a circle is 0.6%. Find the

percentage error in the calculation of the area

of the circle.