Recently Active Physics Questions

Suppose,A belt of iron is tied along the diameter of the earth...after a gap of 6cm,another belt is tied around the earth...a coin of rs.1 is dropped between the gap,will the coin hit the ground? ...

AIEEE Papers with solution 2010-2002 Arihant e-books for Free Brilliant-tutorials Simulator Test Series For IIT JEE BITSAT Mock Papers from Brilliant Tutorials IIT JEE Question Bank from Quest Quest Tutorials for Physics Chem ...

In a YDSE experiment, the distance between the slits & the screen is 100 cm. For a certain distance between the slits, an interference pattern is observed on the screen with the fringe width 0.25 mm. When the distance between ...

problem no. of i e irodov -3.144 *Image* this problem is also in hc verma solved examples last question but the answer is different in hcv in hcv it is solved by force method i tried it by energy using energy of capacitor ini ...

In a typical Young's double slit experiment, S1 and S2 are identical slits and equidistant from a point monochromatic source S of light having wavelength λ. The distance between slits is represented by d and that between sli ...

In an experiment on photoelectric effect, light of wavelength 800 nm (less than threshold wavelength) is incident on a cesium plate at the rate of 5.0 W .The potential of the collector plate is made sufficiently positive with ...

Consider a point source emitting a-particles and receptor of area 1 cm2 placed 1 m away from source. Receptor records any α-particle falling on it. If the source contains N0 = 3.0 × 1016 active nuclei and the receptor recor ...

The figure shows the initial state of the gas in an insulated cylinder. The gas is ideal and it is given that, Cp/Cv = 1.5. The insulated piston by the help of an external agent is slowly shifted to the right such that the pi ...

Two particles An and B are located at the origin of a co-ordinate system.Both the particles start moving at the time t=0 simultaneously.The particle A moves with a speed of 2pi m/s on a circle x2+y2+120y=0,inclockwise directi ...

1. The co-ordinate of a moving particle in x-y plane at any time "t" are (2t,t2) find the velocity of the particle and the acceleration of the particle? 2. After what time the particle will acquire initial velocity from the g ...

find the density and please also explain in brief (i'm confussed how to take the buoyant force....its direction) thanks *Image* ...

in the production of x-rays,what happens if the electron that is sent hits the nucleus of the heavy metal atom. ...

1. Two particles A and B start moving simultaneously along the line joining them in the same direction with acceleration 1m/sec2 and 2m/sec2 and speeds 3m/sec and 1m/sec respectively.Initially A is 10 m behind B.What is the m ...

1)Two photons having a) equal wavelength have equal linear momenta b)equal energies have equal linear momenta c)equal frequencies have equal linear momenta d)equal linear momenta have equal wavelength. ans (d) now here if (d) ...

The problem is about the derivation of the kinetic gas equation pv=1/3 mnu2 .In the initial lines,in calculating momentum transferred by a molecule to the wall of the container.He is taking the component of the velocity const ...

Heat flows radially outward through a spherical shell of outside radius 3R and inner radius R. The temperature of inner surface of shell is θ1 and that of outer is θ2. The radial distance from centre of shell where the temp ...

why we connect a resistor having a high resistance in series with coil of voltmeter?? ...

A sound wave has frequency 500 Hz and velocity 350m/s. What is the distance between the two particles having phase difference of 60° out of phase ? A)0.7 cm B) 11.6 cm C) 70 cm D) 120 cm ...

sir i want to state that my application no for aieee 2011 is 737508.i have forgotton to put my left hand thumb impression in the form.what can i do now >????????????????????????????????????plzzzzzzz hlppppppppppppppppppp ...

A metre scale made of steel is calibrated at 20 degrees Celsius to give correct reading. Find the distance between 50cm mark and 51cm mark if the scale is used at 10 degrees Celsius. Coefficient of linear expansion of steel i ...

Two rings of masses 'm' (smaller one) and '4m' (bigger one) are placed in the set up as shown in the diagram. The smaller ring is hung through a horizontal frictionless thread. The bigger ring is joined to the smaller ring in ...

2 Mirrors placed at an angle of ϴ. N=360°/ϴ. If NϵI N=N If Nϵ not I then N=[N] Now the book says if the position of the object is asymmetric then total number of images formed is N What does it mean by “position of the ...

Two satellites of the Earth move in a common plane along circular orbits , the radii being r and r-Δr ( Δr << r ). What is the time interval b/w their periodic approaches to each other over the min. distance . Take M ...

A block of mass m is connected to another block of mass M by a massless spring of spring constant k. The blocks are kept on a smooth horizontal plane. Initially, the blocks are at rest and the spring is unstretched when a con ...

we know that a body can't exceed speed of light but can be just equal to it..i.e. 99.7% of speed of light... we have not achieved that but ..it is possible...now........let it is achieved ...and a super spacecraft is moving w ...

any logic behind the result given in the soln *Image* thanks ...

wud the answer be 6 hrs ? pls confirm *Image* ...

When a body is weighed on an ordinary balance we demand that the arm should should be horizontal if the weights on two pans are equal. Suppose the equal are put on two pans, the arm released. Is the torque of the two weights ...

is this true ? dapp = d1/0µ1 + d2/0µ2 + d3/0µ3 in this situation ! *Image* dapp --- Apparent distance IF it is True Prove It ! ( Detailed Proof Needed to understand ) ...

A chain of length L,mass M kept vertical so it just touches ground.A height x of it from bottom falls down.Find the total force exerted by it on ground. ...