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A system of four equal charges is placed on a table forming a square.The configuration which satisfy the condition that electric field at point on the axis passing through the centre and perpendicular to the plane of the squa ...

what will be the product of the given reaction? phenol + P2S5 -> ? thought quite a lot about it..........but cant seem to figure it out!!! can anyone tell the proper mechanism as well , if possible?? ??? ...

well i m starting this one for some horrendous troubles which encounter us once we think about a problem too much at a exam. first one from myself: 1.Matrix Match type:[more than one options may be correct] suppose we have a ...

sorry for wasting one thread of tiit...plz delete this one nishant bhaiya! ...

Three charges of equal magnitude are placed at the corners of an equilateral triangle ABC.The configuration of charges in which resultant electric field is towards point A is: (A)+++ (B)+-+ (C)-++ (D)++- ...

Please tell me which one of the following is the best to prepare for IIT-JEE (i) Bansal classes (ii) Resonance (iii) Fiitjee (iv) Brilliant Tutorials (v) Narayana Thanks in Advance Rahul Mishra....:P ...

z1,z2,z3 are three complex numbers such that (z3-z1)/(z3-z2)=∂ find ∂ such that it represents an equilateral triangle i got 0.5±i√3/2 as the answer.in fact these both were in the options too.but the final answer was gi ...

what is the probability that sin-1 ( sin x ) + cos-1 ( cos y ) is an integer x , y belongs to { 1 , 2 , 3 , 4 }? ...

A simple pendulum made up of light rod of length L and bob of mass m has a spring of force constant k connected to it at a distance x below the pt. of suspension. Find the frequency of vibration of the system. ...

i am from 10 std. i got 35 marks in rmo and was selected for inmo on 6th feb 2011.how should i prepare?please help ...

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? ...

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write following functions as a function g(w) where w=(z+z-1) (1)f(z)=z10+z9+z8+....+z+1 (2)f(z)=z8-z7+z5-......+z3-z+1 ...

Can anyone tell me some websites where I can get many online tests on each topic, totally free? ...

The conditions of two functions being equal: (1)Ranges should be equal (2)Domains should be equal Now my doubt is, let one function be sinx and the other be cosx,then we have the ranges and the domains of both the functions t ...

HELP HELP HELP......... ------------------------------------------------------------------------------------------------------------------------------------- I just can't understand Probability from my class Xth book....:P Pl ...

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 ...

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1. Find the no. of three element set of positive integers (a,b,c) satisfying the abc = 2310 2. Find the no. of distinct throws that can be made with 'n' 6 faced fair dices which are indistinguishable among them? NOTE: Please ...

Sir, I need help with those special type of questions like - 1. Find the maximum no. of planes in which n circles can divide a plane? 2. Find the maximum no. of point of intersection of n circles and n straight lines? 3. Tota ...

The greatest integer n such that (42)n divides 2011! is (A)330 (B)331 (C)332 (D)333 ...

is rank of matrix in jee syllabus or not ...

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 ...

$Solve the equation\\\\ $tan^{-1}(x-1)+tan^{-1}(x)+tan^{-1}(x+1)=tan^{-1}(3x)$ ...

For the complete coagulation of 200 mL of As2S3 solution, 10 mL of 1 M NaCl is required. What is the coagulating value of NaCl ? (A)200 (B)100 (C)50 (D)25 ...

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 ...