Recently Active Physics Questions

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Can you please explain what is steady state with regard to heat transfer through a metal slab?How actually the temperature of different cross-sections become constant with respect to time? ...

A thin disc or radius R has charge Q distributed uniformly on its surface. The disc is rotated about one of its diametric axis with angular velocity w in a uniform magnetic field of magnitude B directed inward into the plane ...

Column I Column II (A) Work (p) ML2T-2 (B) Torque (q) N-m (C) Energy (Mechanical) (r) cal (D) Thermal energy (s) kgm2/s2 (t) Joule ...

Paragraph Two long parallel wires, each of radius 'a' whose axis are at a distance 'd' apart carry equal currents in opposite direction. (In all the calculations, flux within the wire is to be neglected) *Image* Q1. The self ...

*Image* A highly expected question made by me with a GREAT mind The figure shows two capacitors of capacitance C and charge Q1 and Q2 respectively as shown in the figure.An uniform electric field E exists b/w the plates of th ...

Q. A body of mas m is thrown at an angle to the horizontal with an initial velocity vo. Assuming air drag to be negligible, momentum increment lΔpl that the body acquires during the tth second of its motion is (A) mg/4 (B) m ...

Consider a case we r standing on earth and a ball is moving with a velocity v0.... so its energy is=1/2mv2.......... now when we are standing on a platform which is moving with a velocity v0, so as we see the ball is moving w ...

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A spectroscopic instrument can resolve 2 nearly wavelengths λ & λ+δλ if λ/δλ < 8000. how many lines will be resolved by the instrument? ...

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1)Consider a solid cube of uniform charge density.What is the ration of the electrostatic potential at a corner to that at the center?(Take the potential to be zero at infinity) 2)A motorcyclist wishes to travel in a circle o ...

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hey guys plz post the most useful methods to solve resistros n capacitor problem 1st one delta to star..to study chek the link http://en.wikipedia.org/wiki/Y-Δ_transform keep posting the methods ...

IF FRICTION AND NORMAL FORCES ARE COMPONENTS OF CONTACT FORCES [as given in HC Verma ],then when horizontal component [ ie friction ] increases , vertical component [ ie Normal force ] decreases ..therefore they should be ind ...

Let a,b,c,d be real nos. in G.P. If u,v,w satisfy the equations : u+2v+3w=6 4u+5v+6w=12 6u+9v=4 then show that the roots of the equation ( 1/u + 1/v + 1/w )x2 + [(b-c)2 + (c-a)2 + (d-b)2]x + u+v+w = 0 and 20x2 + 10(a-d)2x - 9 ...

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find minimum no of charges to be embedded in walls of a cube for the stable equilibrium of a charge in the centre of cube ( i want ans from all of targetiitians plz ) all charges are of same sign ...

1) Of the charge Q on a tiny sphere, a fraction @ is to be transferred to a second , nearby sphere. The spheres can be treated as a particle. What value of @ maximizes the mag F of the electrostatic force b/w the two spheres? ...

a difficult one seems to be!!!! in a certain experiment to measure the ratio of charge & mass of elementary particles, a surprising result was obtained in which two particlesmoved in such a way that distance btw them remains ...

How to find center of mass of a cone ...

what exactly is constraint equation? ...

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Two pitch balls are charged by rubbing against each other. They are suspended from a horizontal rod through two strings of length 20cm each, the separation b/w the suspension point being 5cm. In equilibrium, the separation b/ ...

How to find constraint equation. ...

two billiard balls of the same mass and size are in contact on a billiard table... a third identical ball strikes them symmetrically and remains at rest after the impact.... the cofficient of restitution between the balls is- ...

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*Image* plz tell the method u used also :) ...

sum1 solve it..or give hints... ...