Recently Active Physics Questions

A car moves uniformly along a horizontal sine curve y = a sin (x / b) , where a and b are constants. The co-efficient of friction between the wheels and the road is equal to k. At what velocity will the car ride without slidi ...

This is my doubt....framed this question myself will the battery supply charge in the circuit or will it be dead????? *Image* ...

this particle mass m moves in a box forth and back with speed v.Considering matter wave associated with particle and knowing that due to back and forth motion standing waves will be produced in box,find a)min.energy to excite ...

Using Bohr's theory and DeBroglie eqn... Find value of n as used in mvr=nh/2Ï€ *Image* ...

can anyonepls tell me what is the avg cutoff for nsep so that part b si corrected and what is the avg marks needed to score to qualify ...

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thin infinite sheet of width w contains uniform charge distribution \sigma find out the electric field at the ponit which is on the symmetry plane of the plane of sheet at a perpendicular distance d from it ...

a conducting wire frame is paced in a magnetic fied ,which is directed into the paper.the magnetic field is increasing at a contant rate.the direction of induced currents in the wires AB and CD are *Image* a) A to B and C to ...

as we know static friction does work but i hv some doubts which i hope will be resolved 1) is the work done by friction in pure rolling 0 as the pnt of contact has no relative velocity 2) the work done by staric friction has ...

*Image* u can see that there is a cel of 12v and 4 capacitors in series after the first 3 capcitors the system is earthed.. find the pntential at a and pnt c a is the before the 1st capactor and c is the pnt after the last ca ...

A particle is projected vertically with velocity v0.Wind is blowing and providing constant horizontal accelaration a0.If the particle strikes the wall perpendicularly,find the distance between the wall and the point of projec ...

a particle is projected with a velocity 2√gh so tht it just clears two walls of equal height h which r at a distance 2h frm each other. show that the time of passing b/w the walls is 2√h/g..... ...

*Image* 1. The figure shows a square loop of edge 'a' of a uniform wire. A current enter the loops a point 'a' and leaves at point 'c'. what will be the magnetic field at the point 'P' which on the perpendicular bisector of A ...

in carnot cycle, one process is isothermal and the other is adiabatic. the isothermal process is meant so that heat doesn't flow irrevesible between the working substance and heat reserviour. then WHAT IS THE USE OF HAVING TH ...

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NCERT chemistry: First law of thermodynamics: In general: ΔU=q+w ------------------(1) ΔU change in internal energy,q-heat transferd,w-work done by or on the system NCERTphysics: ΔQ=ΔU+ΔW --------------(2) ΔQ- heat supp ...

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*Image* plz solve or give hint of how to go abt it ...

A bucket is tied to a string of mass M is lowered at a constant acceleration of g/4.If the mass of the bucket is M & is lowered by a distance d , the work done by the external agent on the string & bucket system will be ? (A) ...

if we say charge is quantised n is q=±ne then how can we integrate charge???? ...

*Image* the question states this........ there is an incomplete loop moving in a uniform magnetic field with a speed v...... the loop between points p and q is not complete find the potntial diffrence between pnt p and q ...

a body with a kinetic enrgy K collides elasticaly with another bidy of the same mass kept at rest. find the maximum elastic potential enery of the body during the collision ans k/2 i am not abel to understand the question at ...

A. P-V diagram of a monoatomic gas is a straight line passing through origin. The molar heat capacity of the gas in the process will be 1. 3R/2 2. R/2 3. 2R 4. 3R B. For a gas , molar specific heat in a process is greater tha ...

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Potential Energy v/s displacement curve for one dimensional conservative field is shown.Force at A & B is respectively (A) Positive , Positive (B) +ve , - ve (C) - ve, +ve (D) - ve. - ve *Image* Plz use MAGNIFIER if img is no ...

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An LR circuit consists of an inductor coil with impedance of 5mH and a 20 \mu F capacitor. There is a negligible resistanc eacross the circuit .The circuit is driven by a voltage source with a voltage V=V1coswt . If v1 is 5mV ...

A cylindericla region of radius R contain a time varying magnetic field B(t) where t represents time.Work done to take a postive charge from P to Q through PCQ is W1 and through POQ is W2.FInd W2/W1 *Image* ...

*Image* A particle is placed on a rough plane inclined at an angle α to the horizontal. It is initially in limiting static equilibrium. It is given an initial velocity V0 along the x-axis. What is the limiting speed reached ...

*Image* Charge density is different but uniform on both sides of hemisphere. Find the force exerted on lower by the upper hemisphere. I need the approach. I have the answer ...