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*Image* The left side of the plane has 0 potential and right has a positive potential. a positive charge is incident at boundary as shown with sufficient velocity as to enter right region. The excepted path in right side is I ...

metallic plates P(collector) & Q(emitter) are separated by a distance of 0.10m. These r connected through an ammeter without any cell. a magnetic field B exists parallel to the plates. light of wavelengths between 400nm & 60n ...

why the rxn of photosynthesis is spontaneous even if G=+ve for vthis rxn? ...

soorry ...

find the max n min no of points, having rational coordinates, which can exist on the circle with centre (0, sqrroot2)? ...

I have a habit of messing up everything on my exam day. I study the entire syllabus , and can solve many problems that others can't. But that is,in pre-exam time. During the real time, I mess up even simple problems. I crack ...

p.d = V is applied between 2 coaxial conducting pipes of radii a and b , with b>a. the pipes are made of non magnetic material. a long straight wire current I is fixed along the axis of the 2 pipes. an electron leaves the ...

Q] If A,B,C ,D are 4 points in space satisfying AB.CD=k[/AD/2+/BC/2 - /AC/2-/BD/2] {all in vectors} then the value of "k" is a] 2 b] 1/3 c]1/2 d]1 ...

A ray of light is incident on a rotating plane mirror. If angular speed of mirror is w, what is the angular speed of the reflected ray? ...

a long rectangular box is filled with Cl2 (atomic wieght 35.45) which is known to contain only 35cl and 37cl. if the box could be divided by a partition and the two types of Cl2 molecules put in the two compartments respectiv ...

From a point P, perpendicular PM and PN are drawn to two straight lines OM and ON. If the area OMPN, be constant, then prove that the locus of point P is a hyperbola. ...

In an ellipse, the tangent at P meets in T and t, and CY is the pependicular on it from the centre; prove thet 1) Tt.PY = a2 - b2 and 2) the least value of Tt is a+b. ...

You are at one end of long airport runway. A vertical temperature gradient in the air results in the refractive index variation with height as n = n1( 1+ ay) where n1 is the refractive index at the runway a = 1.5 * 10^(-6) pe ...

THE MAXIMUM VALUE OF INDEX OF REFRACTION OF A MATERIAL OF A PRISM WHICH ALLOWS THE PASSAGE OF LIGHT THROUGH IT WHEN THE REFRACTING ANGLE OF THE PRISM IS 'A' IS a)(1-sinA/2)^1/2 b)(1-cotA/2)^1/2 c)(1-(tanA/2)^2)^1/2 d)(1+(cotA ...

if the centres of n circles are collinear then their radical axes taken two at a time are parallel isn't this statement true..? in the solution its given false.. can someone confirm or give a counter example ...

please help sum1 post aaj ka fiitjee 1 paper answers only pa....... pl yaar...soon ...

Here are some good complex matrix question..........i have 2 more........ *Image* i have alrady solved them.......but plzzzz try them.....maybe u may have shorter approach ...

if 100 ml of the acid is neutralised by 100 ml of 0.4M NAOH,the purity of concentrated HCL is?specific gravity=1.6 ...

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a student finds that 31.26ml of a 0.165M solution of Ba(OH)2 solution is required to just neutralise 25ml of citric acid[H3C6H5O7.WHAT is the concentration of the solution? ...

If a capillary tube is dipped in a liquid of density \rho with surface tension \alpha , what is the amount of heat evolved? Take the contact angle to be \theta . ...

*Image* the midle plate is earthed ,find the charges on both sidesof each plate ...

if normals are drawn from a ppiont P(h,k)to the parabola y2=4ax.then the sum of intercepts which the normal cut off from the axis of parabola is a)h+a b)2(h+a) c)3(h+a) d)none ...

theline 4x+3y-4=0 divides the the circumfrence of the circle centered at (5,3)in the ratio of 1:2,the raius of the circle is__________ ...

i have solved it ............it is for u all very good question in the given circuit all capacitors are initially uncharged.After closing S1 for long time,suddenly S2 is also closed and kept closed for long time.Total heat pr ...

*Image* MY ans is not matching....... [2] its simpl bernoli but pata nahi kyun/......... ans givn is A ...

how many different dice can be produced with 1-6 written on the six blank faces .. such that no 2 dice are similar .. no number is repeated in a die ! ...

Riddle is tensed and worrying each and every second .. can someone help him gain some confidence ? Help Me ... ...

Q73 A ball is kept at a height of h above the surface of a heavy transparent sphere made of a material of refractive index μ. The radius of the sphere is R. At t=0, the ball is dropped to fall normally on the sphere. Find th ...

A vernier calliper having 1 main scale div. .1cm is designed to have a least count of .02cm. If n be the no. of divisions on vernier scale and m be the length of vernier scale. Find n&m ...