Recently Active Physics Questions

plz submit toughest problems you have come across in projectiles........ ...

The space between the plates of a parallel plate capacitor is filled consecutively with 2 dielectrics 1 and 2 having thicknesses d1 and d 2 and permittivities as ε1 and ε2 respectively . The area of each plate is S . Find t ...

*Image* must xplain ur ans. too!!!![1] ...

Q. Find the total potential energy gained by a capacitor which is connected to a battery of emf V as a dielectric slab of dielectric constant K is allowed to enter slowly into the capacitor. Assume it is a parallel plate capa ...

A 14.7m high vertical wall is situated at a distance of 19.6m from a person.At what angle with the horizontal should an object be thrown by that personat a speed of 19.6 m/s so that it clears the wall? ...

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try doing this if u ve free time 1) two mirrors are inclined at an angle θ find the no of images formed 2) a person enters a room with ceiling and 2 adjacent walls as mirrors . how many images can he see ? ...

what is magnetostriction effect ??????? ...

why ordinary light is incoherent? ...

*Image* how to find moment of inertia of rod shown above about the axis passing through its mid-point at an angle 60 degree(shown in black line) ...

Q1) the drift speed is defined as vd= \Delta L/ \Delta t where \Delta L represents distancedrifted in a long time \Delta t why don't we define drift speed as the limit of \Delta L/ \Delta t as \Delta t→0 Q2)one of friends a ...

Plz explain Which of the following functions of time represent (a)simple harmonic (b) periodic but not simple harmonic and (c) non-periodic motion ? Give period for each case of periodic motion ( ω is any positive constant) ...

*Image* how has the time period been derived? ...

Can fluids sustain compressive strain? ……………..If no, then why longitudinal waves can propagate in all elastic media? ...

Why is the potential energy of a particle inside a liquid negative? ...

y=a sin(kx-ωt+phi) This is the eq. of a progressive wave moving in positive x-axis direction..how has it been derived? ...

*Image* figure shows 2 large uncharged metal plates kept in a uniform electric field.normal to it.the plates canb thought as to be made of 2 large sheets wid charge density σi nd -σi.now will the induced charge of second pl ...

is there any trick to learn the periodic table ...

what is the direction of currentdensity ? direction of driftvelocity r current ...

*Image* the dimensions of conductor of specific resistance ρ is shown above what is the resistance across AB ? ...

if total energy of a particle is zero,is its linear momentum neccesarily zero????xplain ur answer too! ...

1)pls tell me the purpose of writing the constant K=1/4∩ε. And couloumb had discoverd only its numerical value by his experiments am i rite. 2)The force between two charges is inversely proportional to r2 is the power is a ...

*Image* plz show it mathematically!!!....thanx! ...

*Image* i think it shud remain constant ...........is it right??? well can u give a sort of mathematical xplanation for same? i have done mathematically.............but not quite sure of it ...... so wanna get best mathematic ...

Find the inducd electric field at a distance x from an infinitely long current carrying a slowly varying current I(t) ...

*Image* i think (B) shud be the only answer............ but answer given in book........is (B),(D)......... plz if anyne thinks d is answer too.........plz give rational arguments for that............ ...

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*Image* POST SLUTION PLZ!!!!! ...

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*Image* i m getting ans. as (B) i.e. 1/2.............. is it correct????????? ...