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A thin slice is cut out of glass cylinder along a plane parallel to its axis ..The slice is placed on a flat plate (just as a bowl is placed on a table)..the observed interference fringes from this combination shall be??????? ...

*Image* What is the net resistance in the circuit? Current flows from the direction of the resistor R1 to the resistor R4. Give suitable reasons with your answer. ...

\hspace{-16}\bf{(1)\;\;}$ Total no. of real solution in $\bf{2^x = x^2}$\\\\\\ $\bf{(2)\;\;}$ Total no. of real solution in $\bf{2^x = 1+x^2}$\\\\\\ $\bf{(3)\;\;}$ Total no. of real solution in $\bf{2^x+3^x+4^x+5^x = 10x+4}$\ ...

Find till infinity: 1 - n^2 + {n^2(n^2-1^2)}/(2!)^2 - {n^2(n^2-1^2)(n^2-2^2)}/(3!)^2................................ to infinity,where n belongs to N. ...

\hspace{-16}\bf{(1)\;\; \int\sqrt{a+\sqrt{b+\sqrt{x}}}\; dx}$\\\\\\ $\bf{(2)\;\;\int \sqrt{1+2\sqrt{x-x^2}}\;dx}$ ...

a uniform rod of mass m and length l rotates in a horizontal plane with an angular velocity ω about a vertical axis passing through one end .The tension in the rod at a distance x from the axis is? ...

If G b the centroid of a triangle ABC n O b any other point then prove that : 1.) AB2+ BC2+ CA2 ≡ 3( GA2+ GB2+ GC2) 2.)OA 2+ OB 2+ OC 2 = GA 2+ GB 2+ GC 2+ 3GO 2 ...

An ice cube contains an iron ball in it and floats in water contained in a vessel.What will happen if the ice melts away? a. The water level will go up. b. The water level will go down c. There will be no change in the water ...

\text{1)Evaluate:} a)\lim_{n\rightarrow \infty}\frac{1}{2n}\log\binom{2n}{n} b)\lim_{n\rightarrow \infty}\left[\frac{1}{a+n}+\frac{1}{2a+n}+\cdots +\frac{1}{na+n}\right] \text{2)Let } a_{1}=1 \text{ and }a_{n}=n(a_{n-1}+1)\ \ ...

can u explain this..hw did dis come..???.. ...

Find the locus of the intersection of two normals to the ellipse x2/a2 + y2/b2=1 which are perpendicular to each other?????? ...

A ball is rolling without slipping in a spherical shallow bowl as shown and executing SHM. If radius of the ball is doubled, the period of oscillation *Image* A) increases slightly B) is reduced by a factor of 1/2 C) is incre ...

This thread is to salute the phenomenal music of A R Rahman who won just npw won 2 Oscars For his movie Slumdog Millionare..... Further the Sound Mixer R. Pookooty also won the Oscar for the same movie. Overall this movie won ...

The minimum distance of the centre of the ellipse x2/16 + y2/9 = 1 from the chord of contact of mutually perpendicular tangents of the ellipse is????? ...

two masses A and B of 10kg and 5kg respectively are connected with a string passing over a frictionless pulley fixed at the corner of a table as shown. The coefficient of static friction of A with the table is 0.2. The minimu ...

what is the function of the androgen that is being secreted by the "leydig cells"?? ...

Joint Entrance Examination (JEE Main) for the year 2014 exam will be held on 6th April. Applications for the exam will be available from Nov 2013. Joint Admission Board (JAB) has announced the applications date for the exam J ...

If each pair of the following three equations x2+ax+b=0, x2+cx+d=0, x2+ex+f=0 has exactly one root in common,then show that (a+c+e)2=4(ac+ce+ea-b-d-f). ...

here is an excellent puzzle. a class contains 30 students.15 of them having red cap and rest having blue cap.no one knows what cap he has but can see other's.they don't talk between themselves.the teacher came & asked the stu ...

A plank is resting on a horizontal ground in the northern hemisphere of the earth at 45° latitude. Let the angular speed of the earth be ω and its radius be re. The magnitude of the frictional force on the plank will be A. ...

The minimum are of triangle formed by any tangent to ellipse x2/a + y2/b =1 with the coordinate axes is : ...

In a triangle ABC,the coordinates of the vertex A are (4,-1). If the equations of the bisectors of angles B and C are x-1=0 and x-y-1=0 respectively.Find the coordinates of B and C and the equations of the sides AB and AC. ...

the lacrimal glands in our eyes...secrete a lubricating liquid each time we blink our eyes...one reason for the nessecity of this fluid is that it keeps our eyes moist...so..why do we require to keep our eyes moist..???? ...

A box contains coupons labeled 1,2,3,....n. A coupon is picked at random and the number x is noted. The coupon is put back into the box and a new coupon is picked at random. The new number is y. Then the probability that one ...

If the force exerted by 2 charges of 2μC and x C separated by a distance of 25 cm equals the force exerted by a current carrying conductor of 9A in a magnetic field of 32 Tesla and of length 50 cm at angle 30. Then find the ...

Find the force exerted when Current is 5, Magnetic Field Strength is 4 and length is 1/2 m. ...

Can anyone tell me when we will get the NTSE forms emailed to us? And where do we have to submit the NTSE form? And it is necessary to get it signed by our school principal(that's what Edudigm office told me)? Someone please ...

\hspace{-16}(1)\;\; \bf{\int_{-\pi}^{\pi}\left(\sum_{k=1}^{2013}\sin (kx)\right)^2dx}$\\\\\\ $(2)\;\; \bf{\int_{-\pi}^{\pi}\left(\sum_{k=1}^{2013}\cos (kx)\right)^2dx}$\\\\\\ ...

if x be real,prove that x^2 -2xcosA +1 x^2 -2xcosB +1 lies between sin^2(A/2)/sin^2(B/2) AND cos^2(A/2)/cos^2(B/2). ...

Let x2/a2 + y2/b2 =1(a>b) be a given ellipse.Suppose an ellipse congruent to the given ellipse is drawn with the same centre and with the same axes such that it touches the given ellipse at the extremities of the major axi ...