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If you can solve this question, I dont think you should worry too much about this chapter on a whole. This is probably everything in capacitance. *Image* There are two smooth dielectric slabs of mass m. And dielectric constan ...
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Passengers having seat numbers from 1 to 100 are to be seated in a flight. There are 100 seats only in the plane and the passengers enter the plane according to their seat numbers (passenger having seat number 1 enters 1st an ...
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What is the probability of a chord in a circle to be of length less than D/2 where D is the diameter? ...
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This is a very standard problem. Many of you must have solved this one. This is not for those of you who get the 99.5%ile+ in FIITJEE Mathematics tests ;) But for many other mortals who fear things. Pls try to solve this. It ...
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Discuss everything related to 1st Phase test here [1] All queries ... related to any question/explanation or anything [3] ...
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can v download a copy of morrison boyd????? or solomon?????????? plzzzzz if u guyz kno bout it then lemme kno............ ...
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*Image* A uniform sphere of mass m and radius r rolls without sliding over a horizontal plane, rotating about a horizontal axle OA. in the process, the center of the sphere moves with velocity v along a circle of radius R. Fi ...
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*Image* After making exactly (n-1) collisions with the horizontal walls of the board (upper and lower combined) the particle falls into the pocket B.Obviously, the (n-1)th collision takes place on the upper wall.Find out the ...
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Prove some of these very easy but tough looking things (Dont get bogged down.. they are simple.. If you dont know them try to know these simple things! With the proof of course) 1) Any Prime is of the form 6t+1 or 6t-1 2) Any ...
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f(x) and g(x) are two polynomials such that f(x2+x+1)=f(x)g(x). Show that f(x) is a polynomial of even order.(i.e. highest power of x in f(x) is even). ...
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*Image* In the above figure , if both blocks are at rest at t= 0, find the time after which the blocks collide.Treat the blocks as point masses and the initial separation as √2 m. Answer - (2/√5)s. ...
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This is very very Interesting question and will make you think! (Hopefully) Even if you dont get the complete solution.. do post the partial ones.... An are sets for all n's (integers!) The property they follow is that th ...
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Well Guys if you are wondering what suddenlty when wrong then this is the answer: A stupid person called Nishant Sah (U may not know him!!) Was doing some crap on the database of this site.. He blew up everything that was don ...
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What is the value of *Image* *Image* Find I1 - I2 (Given N is any " REAL Natural NUMBER" greater than 1! Well well i thought to give a Real number.. then i thought that it would become a bit too dirty to calculate... ...
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What was the last time I gave a maths question? An easy one.. sort of! f(x)=[x] g(x) = f -1 (x) Find the solution for f(x)=g(x) ...
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*Image* Find the center of mass. (this question is taken(as is) from a book meriam kraige which all these fiitjee and other ppl use to LIFT their quesitons from) Do not read this book. I will make sure you guys get all the qu ...
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Prove that a charge that enters a magnetic field with no other force takes a sprial path If you are sure you know the proof .. nothing to worry. If you dont make sure you derive it. Pls give every step The importance of this ...
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*Image* Find the effective Resistance between A and B in the given circuit! ...
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A gas consisting of N-atomic molecules has the temperature T at which all degrees of freedom (translational, rotational, and vibrational) are excited. Find the mean energy o f molecules in such a gas. What fraction of this en ...
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A body of mass m fell from a height h onto the pan of a spring balance. The masses of the pan and the spring are negligible, the stiffness of the latter is k. Having stuck to the pan, the body starts performing harmonic oscil ...
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Easy if u have seen. Try this even if u havent. It is a good one to know :) x+y+z=6 all are positive reals! Find the minima and maxima of a2/x + b2/y + c2/z where a, b, c are integers! Really Sorry I made a mistake in thi ...
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A man climbs a flight of stairs. (Remember that he is not only moving forward but upwards as well.) Assume that he travels H height and L length(in horzontal distance) Man's mass=M. he carries a briefcase of mass m Ex ...
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Calculate the value of γ =Cp/Cv for a gaseous mixture consisting of v1=2.0 moles of oxygen and v2=3.0 moles of carbon dioxide. The gases are assumed to be ideal! (This question was given by ashish.. It was attemp ...
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*Image* Two rods collide with each other as shown above .. What is the motion of the two after collision.. Lenghts are equal and mass is the same (identical rods) Assume mass m and length L take coefficient of elasticity as e ...
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The field potential inside a charged ball depends only on the distance from the center as V=ar2 + b; a,b are constants. Find the space charge distribution Ï(r) inside the ball. Src: Irodov ...
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This one is a one liner.. A very objective paper question. Pls use the Hide link. Many of u might feel this not good enuf for a question of the day.. But then all ppl are not smart enuf either :) find the smallest distance be ...
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*Image* Water flows in a circular path as shown.. the speed is such that it flows at a constant speed "v" throughout the width of the river. What is the position of the swimmer who swims perpendicular to the water flo ...
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There was a king..... He chose 2 nos lying between 10 and 40 . He told one mathematician the product of these 2 numbers.... He told the other mathematician the sum of these 2 numbers.... The mathematicians where not allowed t ...
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Part 1: On a circle which circumscribes a n-sided polygon A1,A2,A3,.... An, a point M is taken. Prove that the sum of the squares of the distances from this point to all the vertices of the polygos is a number(independent of ...
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hey i m in 11th std right now...i think the first step to clear jee is to get ur hands on right buks.....so can u all plz suggest me some gud buks for jee preps....i also have bt materials wid me so accept that which other bu ...