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Syllabus

WHAT IS DIMENSIONAL FORMULA OF PERMITTIVITY OF VACUUM

what is Weber and Weber/m

^{2}is equal to?What is the full form of CGS,FPS & MKS?

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 fullform of SONAR and Radar?

nRT)?What is the dimensional formula for capacitance?

^{-5}erg s^{-1}cm^{-2}K^{-4}. How to write its value in SI unitswhat is dimensional formula of young modulus

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?????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?

What is the dimensional formula of Spring Constant (K)?

^{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.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.One student doubts the expression for kinetic energy as MV

^{3}or Kinetic^{2}. How can you help him with the help of dimensionaluniversal gas constant dimensional formulae

(A) displacement

(B) velocity

(C) acceleration

(D) angle

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}?what is a fractional error?

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

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!!!!.

DEtermine the dimensionl formula for potential difference

u r given a thread and a meter scale. how will u estimate the diameter of the thread?

using dimensional analysis derive the relation :-

s=ut + 1/2 at

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

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

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

W_{1}, then reading of weighing machine will beOptions:W_{1 }+W_{2}W_{1 }–W_{2}W_{1 }+W_{2}W_{1 }+W_{2}pls explain

what is the dimensional formula of amplitude?

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 .

^{2}, where F is force ,x is distance and t is the time.S

_{nth}_{}=u + ( a / 2 )(2n-1) Check whether this equation is dimensionally correct or not.h=Fv^2 /L x F

. F is the force, v is the velocity

and L is the angular momentum. Find the

dimensions of h .

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

derivation of three laws of motion

more accurate? Why?

i. 500.00kg.

ii. 0.0005kg.

iii. 6.00kg

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?

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

Help experts

write the advantages and disadvantages of dimensional analysis?

Pls rfr to the question

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.

dimensional formula for newton

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

What is the no of significant figure in (3.20+4.80)*10

^{5}?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.

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)

What is the dimensional formula of E=mc

^{2}?Does the magnitude of a physical quantity depend on system of units chosen ?

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

1.A composite wire of diameter 1cm consisting of copper and steel wire of length 2.2m and 2 m

respectively.total extension of wire when stretched by a force is 1.2mm.calculate the force .(

Y of steel is 2*10

^{11 pa}Y of copper is 1.1*10

^{11 pa}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}.What is the difference between angular diameter and linear diameter?

solving equation:

a+b+c=0

-2a-2c=1

-a-3b+2c=0

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.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?}If the value of Planck's constant in S.I. is 6.62*10

^{-34}Js, what will be its value in cgs system?What is the dimensional formula of light year?

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.

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

constant A1 and A2?

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

distinguish between 1 au and 1 angstrom

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

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.

a man of mass 60kg is standing on a spring balance inside a lift .if the lift falls freely downwards, then the reading of springbalance would be

a) 0

b) 60kgf

c) <60kgf

d) >60kgf