Recently Active Physics Questions

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sorry got it thread closed! ...

famous question which is mostly solved using ground frame i want u to solve it in the frame of elevator (i.e. non-inetial frame) a block on floor of elevator which starts acelerating down with 12m/s2 will get displaced by how ...

sorry thread closed! ...

*Image* i am saying that relative velocity of A does have a component of its velocity along AB .....but net relative velocity is not along AB....so how can collision happen? ...

Consider a rectangular basin with a very wide mouth. When a tap above the basin is opened, it fills in time T1. With the basin filled completely and the tap closed, opening the plug at the bottom drains the sink in time T2. W ...

q: Sodium light has 2 wavelengths; lambda1=589nm and lambda2=589.6nm.As the path difference inc, when is the visibility of the fringes maximum?? Ans- 0.29mm.. if i find a position where bright fringes of both will coincide ot ...

IIT 2003>...............Air is blown into a pipe of radius b,with velocity v. After some time the air stops at the end of the pipe and Bubble grows and detaches from the pipe.If surface tension is S, density is K. Find the ...

prove the follwoing inequality g+k√(g-k)<g such that k<g ...

Q5. A ray of sunlight enters a spherical water droplet (refractiv index = 4/3) at an angle of incidence 53° measured with respect to the normal to the surface. It is reflected from the back surface of the droplet and re-ente ...

Find out the self inductance of the following system : A uniformly distributed current 'I' flows through a wire of radius 'a' and returns along the surface of the wire (assume that the surface has a very thin insulation). Als ...

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Please exp wrt this problem. A piece of iron of mass 100g is kept inside a furnance for long time and thn put in a calorimeter of water equi of 10g containin 240g of water at 20°C.Mixture attains equilibrium temp at 60°C. J ...

Q.How would the diffraction pattern of a single slit be affected when: the width of the slit is decreased? ans: the diffraction pattern becomes narrower shudn't it become wider?[lamda/a formula..] [my friend sent me this ques ...

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can seniors and teachers suggest a good book specifically for electrostatics like irodov is for general physics ...

in d ques "charge q is located at distance l/2 from the center of square above its center. Determine electric flux through the square ." i know d formal way i.e (cmplete the square into a cube and proceed) but whats wrong i n ...

can seniors and teachers suggest a good book specifically for electrostatics like irodov is for general physics ...

We know that we have to assume light as a collection of particles in some cases.Ok.You know that wind is made of particles.When it passes by you,you feel some jerk.So,if light is made of particles,when it will strike you,you ...

Is the power of convex mirror positive or negative? Pretty easy question to ask but my book says it is negative as opposed to positive. I hope the book is wrong. Is there any other sign convention for powers of mirrors? ...

a person brings a mass of 1 kg from infinity to a point A. Initially the mass was at rest but it moves at a speed of 2 m/s as it reaches A. The work done by the person on the mass is -3 J. The potential at A is ........ pls g ...

I guess this is pretty tough for many guys out there -- but yesterday I learned such a great sum that I cannot resist to give it ---------------------- Suppose you don't know any of the equations that are used in S . H . M . ...

I am joining South Delhi Fiitjee, will it be better to crack jee with a good rank? ...

*Image* consider a charge +q kept above an infinite conducting plate that is grounded question : find the surface charge density of the plate as a function of (x,y) Consider the charge to be at a distance of d on +ve z axis a ...

if a cylinder of length l and radius r is hinged at one end and its other end is rotated by an angle θ then find the torque required given young's modulus γ. (please note the cylinder has not been rotated in the vertical pl ...

In HC Verma the reason of surface tension is as follows: A molecule well inside the bulk is experiencing equal forces from all sides.But a molecule on the surfeace experiences some in force in the upward or downward direction ...

*Image* Here I have a parallel plate capacitor connected to a battery with emf V. Now I pull the plates of the capacitor to increase its plate distance. As I do some work, this work appears as the increase in potential energy ...

why the earth has an elliptical orbit? ...

Is strain a physical quantity? ...

can sumbody pleaz tell me what does thegrand unification theory says........ ...