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WHAT IS DIMENSIONAL FORMULA OF PERMITTIVITY OF VACUUM

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

^{-5}erg s^{-1}cm^{-2}K^{-4}. How to write its value in SI unitswhat is the fullform of SONAR and Radar?

what is Weber and Weber/m

^{2}is equal to?What is the dimensional formula for capacitance?

a)5.00 kg (b)5.004kg (c)5.01kg

what is dimensional formula of young modulus

^{3}B^{1}^{/2}/CD^{3}^{/2}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?

^{3}, f has the dimension of?What is the dimensional formula of Spring Constant (K)?

difference between fundamental unit and derived unit

The unit of 1/l √T/m is the same as that of (where T = tension force, m = mass per unit length l) a Frequency b. Time period c. Wave lenght d. Wave no.

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.universal gas constant dimensional formulae

$1)\frac{K\u2206T}{{T}_{o}}2)\frac{2K\u2206T}{{T}_{o}}3)\frac{4K\u2206T}{{T}_{o}}4)\frac{K\u2206T}{4{T}_{o}}$

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}?Does the magnitude of a physical quantity depend on system of units chosen ?

find the dimensitions of coefficient of viscocity and its SI unit .

dimensional formula for newton

DEtermine the dimensionl formula for potential difference

constant A1 and A2?

using dimensional analysis derive the relation :-

s=ut + 1/2 at

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

nRT)?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.^{-2}. find the value of ms^{-2}(S I system).Check the correctness of

S=ut + 1/2 at^{2}convert a pressure of one atmospheric(=10

^{5 }N m^{2})into dyne cm^{-2}..could anyone please explain with detailed steps?what is a fractional error?

A dimensionless quantity --

a)Never has a unit

b)Always has a unit

c)May have a unit

d)does not exist

what is the dimensional formula of amplitude?

^{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.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.can we use the dimensional method to find an expression for gravitational force acting between two objects of mass m1 and m2

Help experts

If momentum of an object is increased by 10%,then its kinetic energy will b increased by--?

The parallactic angle subtended by a distant star is 0.86'' on the earth's orbital diameter (1.5x10^11m). The distance of the star from Earth is ?

derivation of three laws of motion

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 .

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

â€‹Q71. The coefficient of viscosity ($\mathrm{\eta}$) of a liquid by the method of flow through a capillary tube is given by the formula $\mathrm{\eta}$ = $\frac{\mathrm{\pi}\mathrm{R}\mathrm{P}}{8\mathrm{l}\mathrm{Q}}$

where R = radius of the capillary tube,

l = length of the tube and

P = pressure difference between its ends, and

Q = volume of liquid flowing per second.

Which quantity must be measured most accurately?

(A) R (B) l (C) P (D) Q

write the advantages and disadvantages of dimensional analysis?

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 explainationsolving equation:

a+b+c=0

-2a-2c=1

-a-3b+2c=0

Check 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.

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?

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.^{}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.

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 :

correctness of dimensitional formula v=u+at

check the correctness of the relation:

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

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.

pls derive the formula of radius of curvature i.e. R = l2/6h+h/2

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

if the unit of length be doubled then the numerical value of the universal gravitation G will become???? half or double or 8 times.....????

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)

Human Heart is an in built clok, comment.

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

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}.Question.Which of the following is correct?(a) 2 parsec = 6.36 light year

(b) 3 light year = I .89 x 10

^{5}astronomical unit(c) 4 fermi = 2 x 10

^{-13}cm(d) 1 nanometre = 10

^{-10}mcheck the correctness of the relation h=rpg/2s cosa where h is height ,r is radius ,p is density,s is surface tension and g is acceleration due to gravity.

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.The velocity of freely falling body is of function of the distance fallen through (h) and accileration due to gravity (g) .Show by the method of dimensions that v=k(root over of gh)

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?

the paralitic angle subtended by a distant star is 0.76 on the earth's orbital diameter (1.5 x 10 raised to11 m) alculate the distance of the star from the earth.

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

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

^{-4}km.we can conclude that

1) A is most accurate measurement

2) C is most accurate measurement

3) A,C,B are equally accurate measurements

4) The accuracy of all the measurements is the same

relative error in two measurements are [Assume only systamatic errors are involved]

(A) Absolute error same for both, relative error greater for MA and lesser for MB.

(B) Absolute error same for both, relative error greater for MB and lesser for MA.

(C) Relative error same for both, absolute error greater for MA and lesser for MB.

(D) Relative error same for both, absolute error greater for MB and lesser for MA. do give proper steps and reason for this as i couldn't understand

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.

$1.1.0kg\phantom{\rule{0ex}{0ex}}2.1kg\phantom{\rule{0ex}{0ex}}3.\left(1.0\pm 0.1\right)kg\phantom{\rule{0ex}{0ex}}4.\left(1.0\pm 0.2\right)kg$