Popular Physics Questions

A body of superdense material with mass twice the mass of earth butsize very small compared oto the size of earth starts from rest from h<<R above the earth's surface. It reaches earth in time ...

Yesterday Philip was frustrated at the lack of gud problems...I am posting some for everyones practice..........2009 aspirants should solve them and put up solutions here for 2010 students to learn............. Some might be ...

added Q20 , Q21 , Q22 Q1) If KMF can be written as LLH then RMS = a) SLR b) SLU c) SSU d) SUS Q2) If corden can be written as zrogbq then what can be written as pxivro a) mulmul b) sulsul c) munmun d) srspql Q3) if QDXM can b ...

MORE ADDED1.A beaker containing water is balanced on a pan of a common balance.A solid of specific gravity 1 and mass 5 g is tied to the arm of the balance and immersed in the water of the beaker.The scale pan with the beaker ...

consider 5 identical rt angled isosceles prism of ref ind μ1,μ2,........μ5 resp theyr arranged touching each other ( imagine 3 of em placed in str line and 2 of em placed btw the gaps by inverting them ) they r in order 1, ...

Suppose a disc of radius a placed on the ground with uniform surface charge density s with its axis vertical.A charged particle is dropped from a height H from the ground along the axis of the disc.Initially the particle is a ...

Q1.A string of bob is attached to a block kept on frictionless surface (bob is hanging ) an impulse is imparted to bob to give it velocity v0 describe motion of block. ...

*Image* and *Image* ...

Simple HCV probs........... 1. A thin, metallic spherical shell contains a charge Q on it. A point charge q is placed at the centre of d shell and another charge q1 is placed outside it as shown in d fig. All d three charges ...

system shown of mass m is displaced in its plane by a small angle θ, find the period of oscillation *Image* I wud essentuially want to know the approach to this type of questions? ANS : 2π 2( 2) l/3g ...

Point charges q and --q are located at the vertices of a square with diagonals 2l as shown . Find the magnitude of the electric field strength at a point located symmetrically with respect to the vertices of the square at a d ...

I know here people are scholars but ya VIT RESULTS TO BE OUT TODAY!! ...

I C or Instantaneous Centre of Rotation It is a simple theory to make problems of specific type easier......... if wisely used..... It states When a body is moving on horizontal floor with pure rolling, then it is as good as ...

A uniform chain of length L and mass M is hanging vertically from its ends A and B which are close together.At a given instant the ened B is released.Find the tension at A when B has fallen a distance x(<l) *Image* ...

Q) the uniform rectangular (laminar) block in the figure has mass M and dimensions [a,a/2] which is supported by two massless inelastic strings of equal length whose other ends are attached to a rigid ceiling Find the angular ...

This question was asked in today's physics boards: "Draw three equipotential surfaces corresponding to a field that uniformly increases in magnitude but remains constant along z - direction. How are these surfaces different f ...

as eureka stated lets put up some problemss that might be of good help for jee 2009 revision aspect. i just did not want to mix it up with his thread and make it go unnoticed like my chemistry hub 1}show that the focal length ...

A uniform disc of mass m and radius r is rolling on a circle by virtue of torque Ï„ given to rod(mass M length L) pivoted to disc.Find angular accelrations of rod and disc. *Image* ...

*Image* ...

*Image* a conducting wire is bent in d form of a loop as shown. the segments AOB is parabolic given by the eqn y^2 =2x while segment BA is a straight line parallel to the y-axis. the magnetic field in the region is B= - 8 k^ ...

How many images are formed when this lens is used? No portion of the lens is opaque [4] *Image* ...

Plot a curve b/w P vs V plot: A(V0,P0) B(V0,3P0) C(3V0,P0) join A, B, C with straight lines Find Efficiency ...

Q1. A large open top container of negligible mass and uniform cross-sectional area A has a small hole of cross-sectional area A/100 in its side wall near the bottom. The container is kept on a smooth horizontal floor and cont ...

*Image* that capacitor and dielectric question... [7] ...

An engineer works at a plant out of town. A car is sent for him from the plant everyday that arrives at the railway station at the same time as the train on which he comes. One day he arrives at the station one hour before an ...

Questions can have many errors :P *Image* *Image* *Image* *Image* ...

im gonna keep posting some good problems in mechanics from now on. u wudnt find these problems to be really fundu. level or or sumthing, but wud still find it conceptual enuff.some rules u have to follow while doing this will ...

*Image* ...

i have concluded that this pbm cant be solved .if u have solved the pbm please give ur soln.i have seen the soln for this pbm in two buks which was wrong one A parallel capacitor has the space between the plates filled with a ...

*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 ...