Recently Active Physics Questions

two point charges q and -3q are at some seperation. if electric field at location of q is E ,THEN AT THE POSITION OF -3Q IT WILL BE?? ...

TWO IDENTICAL THIN RINGS OF RADIUS R ARE COAXIALLY PLACED A DISTANCE R APART . IF Q1 AND Q2 ARE RESP. THE CHARGES UNIFORMLY SPREAD ON TWO RINGS WORK DONE IN MOVING A CHARGE q FROM CENTRRE OF ONE RING TO THE OTHER??? ...

1. A rod of mass m and length l is kept on a smooth wedge of mass M as shown in the figure . If the system is released when the rod is at the top of the wedge , find the speed of the wedge when the rod hits the ground level.{ ...

What documents/materials do we need fro Aieee counselling?please reply or give a link where i can get that. ...

i got four pts for objects in oblique collision in arihant i dont know how it came.please explain of these three points are written below please explain 1)A pair of equal and opposite impulses act along common normal directio ...

the ratio of acc due to gravity at a depth h below the surface of earth and at a height h above the surface of earth h << radius of earth (A) is constant (b) increases linearly with h (c) increases parabolically with h ...

a uniform thin hemispherical shell is kept staic on an inclined plane of an angle=30 deg if the surface of the inclined plane is sufficiently rough to prevent sliding then the angle @(alpha) made by the plane of hemisphere wi ...

a uniform thin hemispherical shell is kept staic on an inclined plane of an angle=30 deg if the surface of the inclined plane is sufficiently rough to prevent sliding then the angle @(alpha) made by the plane of hemisphere wi ...

Which of the following forces are conservative in nature? a. F = a\hat{i} + b\hat{j} b. F= ax\hat{i} + by\hat{j} \,\,\, (a\ne b) c. F= xy\hat{i} d. F= x{^2}y\hat{i} + 2xy^{2}\hat{j} ...

*Image* The setup shown consists of two identical rods (mass m) hinged together at the ends. This setup is held in the position shown. Now we start applying a constant force F to the free end as shown Find the initial angular ...

From Boyle's Law we get V=K/P (K=constant) So, if a comparatively infinite pressure is exerted on a container containing gas, will the volume not become 0? (provided that the gas does not liquiefy or solidify on application o ...

A thin rod is held resting on a rough ground with its length inclined at an angle (theta) to the horizontal. The coefficeint of friction between rod and ground is (mu). Show that when the rod is let go it will start slipping ...

1.a long horizontal rod has a bead which can slide along its length, the bead is initially placed at a distance L from one end A of the rod . the rod is set in angular motion in the horizontal plane about the end A with const ...

In the AC network shown in fig., the rms current through the inductor and capacitor are 0.6A and 0.8A respectively. Then the current coming out of the source is *Image* this quest is also from arihant objectives.... plz help ...

1.A particle of mass m1 collides elastically with a stationary particles of mass m2 (m1>m2). Find the maximum angle through which the striking particle may deviate as a result of collision. 2. A shell flying with velocity ...

What do we mean by phase difference regd waves?When I see the diagram of two waves with phase difff of pi, the crest of one is shown over trough of other, then i wonder what wud be the diagram for phase diff of 2pi and why it ...

the elecric potential decreases uniformly from 120V to 80 V as one moves on the x-axis from x=-1 to x= +1cm . the electric field at the origin (a) must be equal to 20 V/cm (b) may be equal to 20V/cm (c) may be greater than 20 ...

*Image* Ans.q2 only if you are 100°/° sure ...

for beginners or class 11 people... easy for ones knowing calculus... a particle is moving with constant speed in the x-y plane... the trajectory is given by the path is y=ax3+bx2+cx+d find the point of time when acceleration ...

1. A uniform chain of mass M and length L is held vertically in such a way that its lower end just touch the horizontal floor.The chain is released from rest in position. Any portion that strikes the floor comes to rest .Assu ...

Q. A boy with a mass of 70kg is standing on a bathroom scale in a lift which is accelerating upwards at 3m/s2. Calculate the resultant force on the boy. Ans: 210 N Shouldn't the resultant force be 910 N? ...

A plank of mass 10 kg rests on a smooth horizontal surface . Two blocks A and B of masses m = 2kg and m = 1 kg resp. lie at a distance of 3 m on the plank as shown in the figure . The friction coeff. b/w the blocks and plank ...

1) Is there any meaning of "Weight of the Earth"? I think it has, but it will be different for different planets and stars since they have different masses, so they'll be attracting earth towards themselves with different mag ...

if we keep a fish in btw the plates of a capacitor can we detect the freshness of fish ?????if yes then how??? try it .................................think!/..if u r able 2 answer it this really mean the surety of ur basics ...

2 balls are present each of mass m and radius R one is at rest and other moving with a velocity v but the direction of velocity vector does not pass through the centre of the ball at rest... anyways... still the 2 balls under ...

1)There are 4 boys and 3 girls. What is the probability the boys and girls sit alternately? 2). Two trains are 2 kms apart. Speed of one train is 20m/s and the other train is running at 30 m/s .Lengths of the trains are 200 a ...

CONCEPT :- For a system to be in equilibrium, the torques acting on it must balance. This is true when we take torques about any point on the system or outside it. DOUBT :- Does the above statement hold when the system is in ...

hey friends.... plz help me put in this q from arihant objectives.... of alternating current..... As the frequency of the alternating current is increased , the impedence of the circuit (a) increases continuously (b) decrease ...

can ne1 explain me the concept behind this..... plzzzzzzzzzz *Image* ...

1.A body of mass m is slowly hauled up the hill by a force f which at each point was directed along a tangent to the trajectory .Find the work performed by this force , if the height of the hill is h and length of its base is ...