Recently Active Physics Questions

If one face of a bi-convex lense with focal length f is silvered , what will be the new focal length ? Also what if the lense was a plano convex lense?? the second part of the qsn was asked in wbjee..which i could not answer. ...

can we use nirogen as trivalent impurity for ptype semiconductor ...

ADDED Q2), Q3) Q1) radius of curved road on national high way is R and width of the road is ' b ' . the outer edge of the road is raised by a height of ' h ' with respect to inner edge so that the car with velocity ' v ' can ...

Find the force experienced by the the charge on unit area of an arbitrary conductor if the surface charge density is σ. ...

*Image* Setermine the natural freuency of vibration of 100N disc , assume the disc does not slip on the incline surface.. ...

Are the IIT foundation books enough? ...

http://rs700.rapidshare.com/files/226625791/MTG_BITSAT_EXPLORER_FROM_UR_TRULY_ACHINBANSAL.rar ...

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how is new simplified physics my teachers had suggested it ...

bks fr physics for 12 which target only brds not entrances having gud theory and questions and would help me fr brds as nert language is very tough to understand plz reply ...

In a young's double slit exper. , light of wavelength 6000 A° is used to produce fringes of width 0.8 mm at a distance of 2.5 m . If the whole apparatus is dipped in a liquid of refractive index 1.6 the fringe width will be ...

ADDED Q3) Q1) the plane of a dip circle is set in the geographical meridian and the apparent dip is θ1. It is then set in a vertical plane perpendicular to the geographic meridian. The apparent dip angle is θ2. The declinat ...

ADDED14.which of the following halogen acids is least basic a)HF b)HCl c)HBr d)HI ans given a shouldnt HI be the least basic(most acidic) among these due to the greater bond length of HI bond?plz clarify. 15.ortho and para H2 ...

A disk an a sphere roll off two inclined planes of the same altitude and length. Which of the two objects will get to the bottom of the respective plane first? how does the result depend on the masses and diameters of the dis ...

*Image* a man pushes a cylinder of mass m1 with the help of a plank of mass m2 as shown. There is no slipping at any contact. The horizontal component of the force applied by the man is F. find: (a) the accelerations of the p ...

a thin semicircular ring has a +ve charge q uniformly distributed over it. the net field at the centre is ..... i did it like this E=o∫Π1/(4Πε0)* q/(2πr)*rdθ sinθ/r2 j =q/(2π2ε0r2) j but the ans is negative of that ...

1..two capacitors A AND B 3μF and 2μF respectively are charged to p.d of 100V and 180V . the plates of capacitors are connected with one wire from each with free ..the upper plate of A is +ve ,bB is -ve . an ..an uncharged ...

MHCET syallabus someone?????plzz help ..cant find it? ...

from where we can download solution of dc pandey mechanics vol 1and 2? ...

1. Two dipoles of dipole moments p each r placed on points A(a,0) and B(-a,0) as shown in figure.How much work is done in rotating both d dipoles with 90° angle in clockwise direction? *Image* 2.A block of mass m and charge ...

a sphere rests on two surface AB AND CD inclined at 60 and 30 degree resp.magnitude of normal force from a and b is? ...

39. A biconvex lens of focal length 15 cm is in front of a plane mirror. The distance between the lens and the mirror is 10 cm. A small object is kept at a distance of 30 cm from the lens. The final image is (A) Virtual and a ...

can someone please post the link to 35th chapter of Resnick Halliday (online version)- nature of light and laws of geometric optics. Thnx in advance ...

What is the maximum work that a constant magnetic field B can perform on a charge q moving through the field with velocity v? give full soln please!! ...

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The disk has a weight of 100N and rolls without slipping on the horizontal surface as it oscillates abt its equilibrium position . If the disk is displaced , by rolling it counterclockwise 0.4 rad, determine the equation whic ...

1. Statement1 : For a charged particle moving from point P to point Q, the net work done by an electrostatic field on the particle is independent of the path connecting point P to point Q. Statement 2 : The net work done by a ...

*Image* find the final tempreature if piston is slowly dispalced a dist " x" to rght .assume temp is same in both chambers at any instanat. ...

An inextensible rope tied to the axle of a wheel of mass m and radius r is pulled in the horizontal direction in the plane of the wheel. the wheel rolls without jumping over a grid consisting parallel horizontal rods arranged ...