Recently Active Physics Questions

Three rods of same material AB,BC,CA of equal length and their area of cross-section in the ratio 1:2:4 respectively have been arranged in the form of an equilateral triangle.If A and C are maintained at diff. temperatures,th ...

A. Acceleration of particle is zero B. Acceleration of particle is uniform C. Acceleration of particle is non-uniform D. Acceleration of particle is directly proportional to t *Image* 1 . V vs X 2. V2 vs X 3.X vs T 4.V vs T ...

Drops of mercury of charge Q and mass M fall into a spherical vessel of radius 1m from a height of 4R from the base. Find the no. of drops that will enter the sphere. Use- 9Q2/Mg = 109 Edit: *Image* ...

can anyone explain more clearly ,with some diagram if possible ,what metal is saying here..............http://targetiit.com/iit-jee-forum/posts/my-electrostatics-12089.html ...

A copper and a tungsten plate having a thickness of 2 mm each are riveted together at 00C to form a bimetallic strip. Find the average radius of curvature of this plate at 2000C The coefficients of linear expansion for copper ...

i odnt know abt u but i was wondering why a wire dod not produce electirc field . obviulsy such a question itself seemed absurd from a logical standpoint.... but i was looking for a deepr answwer and eventually managed to fin ...

Q1 *Image* i dont have the answer with me...so please post the solution... ...

a gas is cotained in a metallic cylinder fitted with a psiton. the piston is suddenly compressesd and is maintianed at this postion as time passses the pressure of the gas inside the cyliner increaese decrease remains the sam ...

A hemispherical bowl of radius R is rotated about its axis of symmetry which is kept vertical. A small block is kept at a position where the radius makes an angle ∂ with the vertical. The block rotates with the bowl without ...

STATEMENT-1 : When oil spread over water or soap bubbles are seen in sunlight, brilliant colours are seen due to interference of light. and STATEMENT-2 : The conditions for constructive and destructive interference in thin fi ...

some doubts in eloctromagnetism *Image* lets make it simple find the induced emf the rod is moving with a speed v towards the rite ...

Two equal spheres of mass m' are suspended by vertical strings so that they are in contact with their centres at same level. a third equal sphere of mass m falls vertically and strikes elastically the other 2 simultaneously s ...

A cylinder of mass M and radius R moves with speed v through a region of space that contains particles of mass m, that are at rest. In unit vol., 'n' of these particles are present. Cylinder moves in a direction perp to its a ...

if the jockey is connected at the wire a distancce of 560 cm find the cirrent thrugh the galvonometer i am not getting the write answer and i think the sum is wrong could anyone pls post the answer which he she is getting ...

Imagine a two wheeled robot as shown in the figure here. The robot has two DC motors with rated speed of 60 rpm. The distance between the two wheels is around 20 cm. What should be the operating speeds of both the motors (out ...

this is a question i found on a website In the image shown here, the rod is coupled to the shaft of a low torque DC motor. Owing to the weight of the rod, the shaft tends to rotate and hence cannot hold the rod at a particula ...

From the surface of a round wire of radius a carrying a direct current I an electron escapes with a velocity v_0 perpendicular to the surface. What will be the maximum distance of the electron from the axis of the wire before ...

Ques) Two plane mirrors each 1.6 m long, are facing each other. The distance b/w the mirrors is 20 cm. A light incident on one end of one of the mirrors at an angle of incidence of 30 °. How many times is the ray reflected b ...

the equation du=-F.dr is it also valid for conservative external forces ...

Sunlight filters through the leaves of a banyan tree and makes small patterns of light on the largely shaded area on the ground under the tree. the shapes of these lighted spots are A. triangular B. square C. irregular D. cir ...

If the set up shown below is on "MARS", what will be the torque at point A? Ignore the weight of the beams AB and BC. *Image* ...

What's the COM of a circular segment like this one??? *Image* ...

something must be wrong in my concepts:i still cant figure out this q. Help!! An insect of mass m is initially at rest at one end of a stick of length L and mass M , which rests on a smooth horizontal floor . The coefficient ...

A simple pendulum is oscillating with a time period T. The bob is metallic and has a charge +q. Choose the correct statement(s) 1. T will increase if a uniform electric field is applied in vertically upward direction 2. T wil ...

In the fig the capacitors C1 and C2 are at first charged to a potential of ΔV but with opposite polarity,so that points a and c are on the side of the respective positive plates of C1 and C2 and points b and d are on the sid ...

Paragraph for Question When we see the bottom of a vessel filled with liquid using paraxial rays then the bottom appears to be raised by a distance where t is the real depth and is the refractive index of liquid. On the contr ...

*Image* block m rests onwedge.(a)wat horizontal acc. a must M have relative tothe table to keep m staionary realtive to the wedge assuming frictionless contacts.(b)wat force F must be applied to the system to achieve this res ...

In uniform circular motion, the acceleration is non uniform. ...

*Image* wat is d tension experienced if d film is pulled by forces radially frm all sides? ...

Q. 37 STATEMENT-1 : A charged particle can go unaccelerated through a region containing uniform electric and magnetic field in the same direction. and STATEMENT-2 : If a charged particle is projected along the direction of ma ...