Recently Active Questions

The set of points on the asix of the parabola 2((x-1)2+(y-1)2)=(x+y)2. , from which 3 distinct normals can be drawn to the parabola , is the set of points (h,k) lying on the axis of the parabola such that a) h>3 b) h>3/ ...

Can sum1 please tell me the ful form and function of mcpba? ...

Q) A window is in the shape of a rectangle surmounted by a semicircle,If the Perimetre of the Window is Pcm show that the Window lest in the maximum possible light only when the radius of the semicircle is P/(Ï€+4)cm.? Prove ...

*Image* The radius of the beam of light 'r' falls on the hemispherical glass of radius 'R'(μ=4/3). Find the radius of the image formed at the base of the hemisphere.(it is kept on the table) ...

1.The Fundamental radio antena is a metal rod which has a lenght equal to___________in free space at the frequency of operation. λ, λ/2, λ/4 ,3λ/4. 2.Vidicon works on the principle of: electrical-conductivity,photo-conduc ...

f(x) = x/ (1 + |x|) is : a) diff for all x. b) diff for all except x=0. c) conituous for all x. d) cont for all x but not diff at x=0. am getting a and c .... pls ans guys... ...

let f(x) = xk , k belongs to R. the value of K so that f is differentiable (n-1) times at x=0, but not differentiable n-times at x=0 is: a) n b) n-1 c) (3n-2)/3 d) n.o.t. tukka mari thi.. lag gaya tha.. par sahi method se koi ...

mass and charge are the basic properties of matter. just like charges which are of two types(positive and negative) which have different and opposite properties(i.e. positive charge experience force in the direction of field ...

Arrange the following compounds in increasing order of their acid strength Propan-1-ol, 2,4,6-trinitrophenol, 3-nitrophenol, 3,5-dinitrophenol, phenol, 4-methylphenol ...

Can we use centrifugal forces in inertial frame. Could some one help me out with this pseudo force stuff ...

If P (x) is a polynomial of least degree that has a maximum equal to 6 at x = 1 , and a minimum equal to 2 at x = 3 , then01∫ P(x) dx equals 1. 17/4 2. 13/4 3. 19/4 4. 5/4 A point 'P' moves in xy plane in such a way that [| ...

At pH = pKIn+ 1 ( where KIn = dissociation constant for indicatior ) the ratio of [In-1]/[HIn] in the solution is {10/1} for this pH the % dissociation of the indicatior is 1. 91 2. 80 3. 10 4. 63 ...

try this problem A particle moves in the plane xy with constant acceleration ω directed along the negative y axis. The equation of motion of the particle has the form y=ax-bx2, where a and b are positive constants. Find the ...

S=r=1Σ20471/r options a)5<S<6 b)S>6 c)11<S<12 d)S<11 answer with proof if its not in syllabus then tell ...

Can we produce interference pattern using UV rays..pls give reason ...

draw the graph of y = (ex + e-x)/2 y = (ex - e-x)/2 and y= (ex - e-x)/ (ex + e-x) ...

Can an atom form multiple Hydrogen Bonds? ...

when 2,3dimethyl2butene is treated wid o3 in presence of HCHO in CH2CL2 medium ,an ozonide other than that expected of d starting alkene is formed .identify d unexpected ozonide ...

please please clarify this refer hc verma vol.1 page no. 91, worked example-1, N=mgcosx & page no. 107, worked example-2, Ncosx=mg which one is correct??? in general if a block(moving or stationary) is kept on a wedge, will t ...

*Image* A regular five pointed star is inscribed in a circle of radius r Find the area inside the star. ...

certain volume of hydride of nitrogen is decomposed into its constituent elements by certain spark The volume of the resulting gas mixture becomes double of the initial volume Now oxygen has been added to the resulting gas mi ...

a satellite S is moving in an elliptical orbit around the earth The mass of the satellite is very small compared to mass of earth a)The acceleration of S is always directed towards the centre of earth B) the angular momentum ...

*Image* ...

yo! phy forum so gaya! isiliye one question : state Newton's three laws of motion :P without seeing book :P ...

stat 1: alkynes are more reactive than alkenes towards electrophilic addition. stat 2 : alkyne have more pi- electron density than alkene. ...

I KNOW U R ALL EAGER TO KNOW THIS ----- THIS IS ONE OF THE QUESTION THAT ALWAYS APPEAR WHEN IIT STARTED!!! . . . . . . . . ROLL NO:__________ . . . . . HA HA HA HA ...

there is an infinite long cylindrical cavity in an infinite conductor. a positive point charge is kept (fixed) on the axis of the cylinder. stat1 : in electrostatic condn, electric field at any point near the the surface of t ...

1. Which amongst the following is the strongest oxidizing agent? ClO4, BrO4, IO4 2. A student wanted to draw his school building on a glass sheet, which acid he should use? 3. Nitrogen and P give negative ions, while As, Sb a ...

A large plate with uniform surface charge density σ is moving with constant speed v,in a direction parallel to the plate,what will be magnetic field and its direction? ...

i am not getting the solution. plzz try this. A light conducting string, with one end fixed to the ceiling is wound to the rim of conducting ring of mass `m` and radius r with centre c.A uniform magnetic field B exists normal ...