Recently Active Physics Questions

R NCERT TEXTBOOKS REALLY NECESSARY FOR ALL STUDENTS PREAPARING FOR IITJEE?LIKE IF U R FROM STATE BOARD THEN DO U NEED TO FOLLOW THE NCERT SYLLABUS (KEEPING ASIDE THE COMPETATIVE SYLLABUS)COZ ITS PATTERN IS SLIGHTLY DIFFERENT. ...

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a non conducting rod - total charge q and length l is rotated about centre of mass with constant angular velocity w.magnetic moment of rod=????? my method:-i took a small element dx at a distance x from centre and calculated ...

Please help me with part b of sum no.63 Pg-137 of H.C.Verma. "A chain of length l and mass m...." ...

*Image* plz do problem 1.106 ...

*Image* how come then a neutral sphere get attracted to the positive charge....... it is a self made question......... i know why it does not......just thought of sharing with u all ...

for a certain process... C=Cv+R/2,then the process can be represented as PaVbTc=k(a constant) the values of a,b and c are_____ ...

*Image* Find the eq resistance and the current i. ...

*Image* a heavy ball of mass 2m moving with velocity u0 collides elastically head on with cradle of three identical balls of mass m as shown.determine velocity of each ball after collision. ...

1 . A wire carrying a current i is kept in X-Y plane along the curve y=A sin(2Πx/λ) .A magnetic field B exists in the z-direction.FInd the magnitude of the magnetic force on the portion of the wire between x=0 and x=λ 2.A ...

At an instant during the motion of a particle with respect to ground , it may be at rest as well as accelerated simultaneously TRUE / FALSE Give reason ...

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*Image* d question is to find d equivalence capacitance b/w a nd z. by symmetry charge on red capacitors will be same ( let q1) , similarly charge on green capacitors will also be same( let q2) . i have a doubt whether d char ...

figure shows a capillary tube of radius (r) dipped into water.if the atmospheric pressure is P0, then the pressure at the point A is........ *Image* ...

The homogeneous semicylinder has of mass m and centre of gravity G. Determine the largest angle θ of the inclined plane upon which it rests so that it doesnot slip down the plane. The coefficient of the static friction betwe ...

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In a region the magnetic field is B=Bo(1+x/l). A square loop of side l through which a current i flows is placed in the region. What is the net magnetic force experienced by the loop ? ...

a bicycle is moving with some accelaration on a road.the forces of friction between the road and front and the rear wheel are F1 and F2 respectively . their directions are ...

There are 2 inclines..one having friction in its upper half..other having friction in its lower half..a sphere is rolled on both of them..where will it have more energy ?? ...

*Image* infinite square brackets have been made by infinite wires .between each junction ,the resistance is r .find equivalent resistance between points A AND B ...

two metal strips, each of length l are clamped parallel to each other on a horizontal floor with a separation b between them. A wire of mass m lies on them perpendicularly a s shown in the figure. A vertically upward magnetic ...

What type of questions actually cum in iitjee. I want 2 ask which chapters should i give more importance? I am presently in class 11sc. ...

A tree trunk in form of a cylinder of radius R lies on a horizontal field. A lazy grasshopper wants to jump over it. What minimum launching speed will suffice for it? Assume that the air resistance is negligible and that the ...

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can ne1 plz tell me wazz relativistic momentum n wazz relativistic relason bet kinetic energy and linear momentum ...

A disc slides down an inclined plane of 75°. The coefficient of friction is 0.2. Assume that the mass of the disc is 1kg and the radius is 50cm. Calculate the total heat produced when the disc comes down by a height of 1m. ...

*Image* the strip is metallic n veryy thin n infinitely long plz use amperes law current though the plate is i........ the wholk ething is in 2D plane... PLZ PLZ SOLVE BY AMPERES LAW!!] ...

FIND D EQUIVALENCE RESISTANCE B/W D TERMINALS OF D CELL *Image* ...

ACCORDING TO PASCALS LAW THE PRESSURE APPLIED AT ANY PLACE TO AN ENCLOSED FLUID IS TRANSMITTED WITH UNDIMINISHED MAGNITUDE TO EVERY PORTION OF THE FLUID.IF YOU HAD TO EXPLAIN IT AT THE MOLECULAR LEVEL HOW WOULD YOU?MY QUES IS ...