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what is couple[C] in electrostatics??????plz explain in detail as i have encountered this term accidently and don't know anything[1] ...

A ball moves with a speed of 10 m/s at an angle of 30 degrees with the ground, what is the distance it travels in 5 seconds velocity? (neglect any gravity!) ...

IN A YOUNG DOUBLE SLIT, EXPERIMENT , TWO NARROW VERTICAL SLITS PLACED .800mm APART ARE ILLUMINATED BY THE SAME SOURCE OF YELLOW LIGHT OF WAVELENGTH 589nm .HOW FAR ARE ADJACENT BRIGHT BANDS IN THE INTERFERENCE PATTERN OBSERVED ...

two long straight wires with equal cross-sectional radii a are located parallel to each other in air.the distance between their axes equals b.find the mutual capacitance of the wire per unit length under the condition b>&g ...

i hav bin alloted mechanical at iit punjab and i hope dt i ll get cs in pilani campus ppl help me ...i m in a rili confusin situation ....!!!! one more thing ..... i heard dt if u ve bin alloted a seat in sum iit and u dont t ...

y i crossed aldol condensation v prefer ,1 aldehyde with no alpha hydrogen and other aldehyde or keto with alpha hydrogen der's a possibility for formation of 2 pdts.how can u minimise d possibility of 1 pdt out of d 2. ...

Sinx + sin2x=sin3x = 1 cos6x - 4cos4x - 8cos2 = Explain also please ...

Find out the remainder of 19^{92}/92 ...

1) limx→0 x2 sin1/x 2) limx→0 xcos1/x 3) limx→∞ sinx/x 4) limx→∞ cosx/x ...

This is what i found at the IIT KGP website *Image* ...

I am a student of TN gettin state rank in 300's (OP).....and i hope for instrumentation or civil in nit-t......according to last year . But iam getting not even getting metallurgy in nit-t.(using state quota). I gave ece , ee ...

m,n belongs to I+ then lim x→0 sinXn/(sinX)m equals to a. 1 if n<m b. 0 if n=m c. n/m d. 0 if n>m ...

*Image* A convex lens of focal length 10cm is placed on a mirror.An object is placed at a distance 8cm.wat is the nature of the image? is it Virtual,inverted? ...

A stone is projected from a point on the ground in such a direction so as to hit a bird on the top of a telegraph post of height 'h' and then attain the max. height'2h' above the ground. If at an instant of projection the bir ...

Six letters are selected from the word RESOLUTION. the probability that S is included is? a.91/150 b.93/155 c.91/154 d.93/154 i m not getting any of these options?????? ...

Actually i cant open other's profile and their performance.Is it banned for me or there is a pbm with my net connection. ...

The pop king Jackson is no more.Died due to cardiac arrest. ...

For what value of k does the function y= x3- 3(7-k)x2-3(9-k2)x+2 , x>0 has a point of maximum ? ...

Find the resistance of the conductor along AB and CD It is a hollow cylinder. *Image* ...

why in roasting heating is done below melting point and in calcination above melting point ???????????????? ...

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why there is no magnetic lines of force through soft ring placed in a magnetic field ...

Let s1, s2, s3 be 3 tangent spheres each with each. These spheres are placed on a table, and their radii are 1,2,3 respectively. A plane tangent to all these spheres is considered. What is the angle made by this plane with th ...

We consider graphs with vertices colored black or white. "Switching" a vertex means: coloring it black if it was formerly white, and coloring it white if it was formerly black. Consider a finite graph with all vertices colore ...

If f(x)= x3 + ax2 + bx +c attains its local minima at certain negative real number , then then the signs of a2-3b , a , b respectively are a. + - - b.+ - + c. + + - d. + + + ...

If x1 and x2 are the solutions of ex2(sinx+cos x)=1/2 , where x1 ,x2≠0 , then the maximum number of the solutions of the equation ex2(sin x-cos x)=x lying between x1 and x2 can be a.2 b.0 c.1 d.none of these please give a s ...

why demagnetisation takes place if in an magnet ac is passed throiugh awire wound on it ??????????????????? ...

prove that 72!/36!-1 is divisible by 73. ...

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find limit n→∞ cos(x/2) X cos(x/4) X cos(x/8)..............cos(x/2n) if f(x)= (1+2cosx)(1+2cos2x)(1+2cos4x)........(1+2cos32x) find f(2pi/13) ...