Recently Active Physics Questions

two shm are represented as y1=10 sin(4pi t + pi/4) and y2=5 sin (3pi t) + √3 cos (3pi t) Their amplitudes are in ratio?? Here are we supposed to do anything with frequencies of phase difference ...

a massive circular hoop of radius r ossilates in its own plane about a horizontal axis at a distance x above the centre of the hoop the period of oscillation is minimum when x equals Please explain how it is suspended ...

A triangular loop of side "L " carries current I . It is placed in a magnetic field B such that the plane of the loop is in the direction of B . The torque on the loop is ...

thread closed due to incorrect data....... sorry[2] ...

*Image* ...

*Image* ...

Q1. A large open top container of negligible mass and uniform cross-sectional area A has a small hole of cross-sectional area A/100 in its side wall near the bottom. The container is kept on a smooth horizontal floor and cont ...

Three solenoid coils of same dimension , same number of turns and same number of layers of winding are taken. Coil 1 with inductance L1 was wound using a Mn wire of resistance 10Ω/m. Coil 2 with inductance L2 was wound using ...

*Image* The radius of the beam of light 'r' falls on the hemispherical glass of radius 'R'(μ=4/3). Find the radius of the image formed at the base of the hemisphere.(it is kept on the table) ...

1.The Fundamental radio antena is a metal rod which has a lenght equal to___________in free space at the frequency of operation. λ, λ/2, λ/4 ,3λ/4. 2.Vidicon works on the principle of: electrical-conductivity,photo-conduc ...

mass and charge are the basic properties of matter. just like charges which are of two types(positive and negative) which have different and opposite properties(i.e. positive charge experience force in the direction of field ...

Can we use centrifugal forces in inertial frame. Could some one help me out with this pseudo force stuff ...

try this problem A particle moves in the plane xy with constant acceleration ω directed along the negative y axis. The equation of motion of the particle has the form y=ax-bx2, where a and b are positive constants. Find the ...

Can we produce interference pattern using UV rays..pls give reason ...

please please clarify this refer hc verma vol.1 page no. 91, worked example-1, N=mgcosx & page no. 107, worked example-2, Ncosx=mg which one is correct??? in general if a block(moving or stationary) is kept on a wedge, will t ...

a satellite S is moving in an elliptical orbit around the earth The mass of the satellite is very small compared to mass of earth a)The acceleration of S is always directed towards the centre of earth B) the angular momentum ...

yo! phy forum so gaya! isiliye one question : state Newton's three laws of motion :P without seeing book :P ...

there is an infinite long cylindrical cavity in an infinite conductor. a positive point charge is kept (fixed) on the axis of the cylinder. stat1 : in electrostatic condn, electric field at any point near the the surface of t ...

A large plate with uniform surface charge density σ is moving with constant speed v,in a direction parallel to the plate,what will be magnetic field and its direction? ...

i am not getting the solution. plzz try this. A light conducting string, with one end fixed to the ceiling is wound to the rim of conducting ring of mass `m` and radius r with centre c.A uniform magnetic field B exists normal ...

A: If a porter carries a luggage of 30 kg from the waiting room of a railway station to the platform and bring it back to the waiting foom the work done by him is zero R: Workdone is defined as the scalar product of force app ...

Calculate current flowing when switch S is closed *Image* All resistances are of 1Ω ...

please give explanation on 2 and 3 questions of T-327 ...

find freq. of small ossilations ...............everythin else prov. in figure!!!! *Image* ...

An artificial satellite is in circular orbit around the earth. The universal gravitational constant starts increasing at time t = 0, at a constant rate with respect to time. Then the satellite has its 1. path gradually spiral ...

please explain whether it is correct or wrong the amplitude of forced vibration of a body increases with an increase in the frequency of the externally impressed periodic force ...

*Image* ...

if u know this it is easy but if u dont know, its worth knowing.... Q) a spherical ball of radius R is uniformly charged with charge density ρ .determine the electrostatic energy of the sphere. ...

a planet takes three years to complete the orbit around sun Its orbit is coplaner with that of the earth What is the time taken by the planet to complete the orbit around sun as seen from the earth Please give the solution ...

i am totally weak in capacitors so just started with that topic. *Image* find the capacitance of the resulting capacitor in the arrangement shown. also please tell me in general how to do such sums when a dielectrics are inse ...