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Forum Name |
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Time taken for an electron to complete one revolution in the Bohr orbit of H atom is
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3 |
756 |
28 Mar 2013 14:40:07 IST
akshaya
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Physical Chemistry |
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The speed of the electron in the 1st orbit of the H atom in the ground state is ( C is th
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1 |
281 |
12 Aug 2012 17:51:58 IST
Sagar Saxena
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Physical Chemistry |
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20 ml of a mixture of methane and a gaseous compound acetylene series were mixed with 100ml of oxyge
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1 |
223 |
9 Jul 2012 23:22:05 IST
Catherine Evans
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Physical Chemistry |
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An ellipse of major axis "a" and minor axis"b" slides along the coordinate axes and always remains c
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2 |
575 |
12 May 2012 18:36:18 IST
ookie
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Analytical Geometry |
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If the eccentric angle of a point lying in the first quadrant on the ellipse x^2/a^2+y^2/b^2=1 be Q(
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4 |
554 |
21 Mar 2012 20:07:45 IST
kartikAIR1
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Analytical Geometry |
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(a)If a car is traveling eastward, can its acceleration be westward? (b) If a car is slowing
down,
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16 |
1400 |
13 Mar 2012 21:48:34 IST
sudhindra shenoy
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Mechanics |
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Two boats A and B move away from buoy anchored at the middle of a river along mutually perpendicular
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1 |
411 |
29 Jan 2012 17:39:16 IST
edison
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Mechanics |
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The sum of 3 consecutive terms in H.P. is 37 and the sum of their reciprocal is 1/4. Find the number
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2 |
752 |
22 Oct 2011 21:45:50 IST
Sandeep Kumar
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Algebra |
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The euation of the chord of the hyperbola xy=c^2 which is bisected at the point (2c,3c) is.........
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1 |
385 |
29 Nov 2009 20:09:12 IST
Vikram Saxena
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Analytical Geometry |
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The line parallel to the normal of the curve xy=1 is............
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4 |
412 |
29 Nov 2009 20:02:51 IST
Vikram Saxena
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Analytical Geometry |
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consider a branch of the hyperbola x^2 - 2y^2 - 2 (rt.)2 x - 4 (rt.)2 y -6 =0 with the vertex at th
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1 |
294 |
28 Nov 2009 21:52:03 IST
Deepak Aggarwal
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Analytical Geometry |
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if (5,12) and (24,7) are the foci of a hyperbola passing through origin , then .... what i
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0 |
296 |
28 Nov 2009 19:42:45 IST
Sharan
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Analytical Geometry |
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The locus of the mid point of the portion of the line of constant slope 'm' between two branches of
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0 |
301 |
28 Nov 2009 19:41:19 IST
Sharan
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Analytical Geometry |
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If the quadrilateral formed by the tangents to the ellipse x^2/a^2+y^2/b^2=1 is a square then area o
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3 |
571 |
24 Nov 2009 23:05:02 IST
Raghav
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Analytical Geometry |
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from a point P 2 tangents can be drawn to the ellipse x^2/a^2+y^2/b^2=1. If these tangents intersect
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1 |
331 |
24 Nov 2009 23:02:53 IST
Raghav
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Analytical Geometry |
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The equation x^2/(2-a) +y^2/(a-5) +1=0 represents an ellipse if a belongs to....
1. (2,3/2) U (3/
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1 |
311 |
24 Nov 2009 21:28:33 IST
aanchal nayyar
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Analytical Geometry |
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The angle subtended by common tangents of 2 ellipses 4(x-4)^2+25y^2=100 and 4(x+1)^2 + y^2=4 at the
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0 |
320 |
22 Nov 2009 20:13:48 IST
Sharan
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Analytical Geometry |
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An ellipse of major axis "a" and minor axis"b" slides along the coordinate axes and always remains c
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0 |
277 |
22 Nov 2009 20:13:07 IST
Sharan
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Analytical Geometry |
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Let P(a,b) and Q(c,d), b<0,d<0 be the points of the latus rectum of the ellipse x^2+4y^2=4. The equa
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0 |
275 |
22 Nov 2009 20:12:40 IST
Sharan
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Analytical Geometry |
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If tangents PQ and PR are drawn from a point on the circle x^2+y^2=25 to the ellipse x^2/16+y^2/b^2=
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1 |
369 |
19 Nov 2009 21:08:13 IST
Raghav
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Analytical Geometry |