Recently Commented Questions

• gp
  x1, x2, x3 are in GP and y1, y2,y3 are also in GP with same common ratio. then (x1,y1), (x2,y2)&(x3,y3) these are a]vertices of a triangle b]situated on a circle c]collinear d]situated on an ellipse ...
  0·3· #Mathematics#Algebra
  commented2013-04-15 22:49:18
• 2. Reaction Mechanism
  *Image* You can write the mechanism on a paper, scan it (or take a picture of it) and upload it. ...
  0·2· #Chemistry#Organic Chemistry
  commented2013-04-02 23:30:33
• Geometrical Optics-13
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  0·3· #Physics#Optics
  commented2013-04-02 07:19:45
• Parabola
  The circle x2+y2+2kx=0,k belongs to R,touches the parabola y2=4x externally.Then (a)k>0 (b)k<0 (c)k>1 (d)none of these Ans is (a). i have put y2=4x in the eq.of the circle.and in the quad.of x,i put b2=4ac.i got k=-2 ...
  0·3· #Mathematics#Co-ordinate Geometry
  commented2013-04-02 23:42:37
• Chemical Bonding
  Predict whether the following molecules are iso-structural or not. Justify your answer. NMe3 and N(SiMe3)3. ...
  0·2· #Chemistry#Inorganic Chemistry
  commented2013-03-30 02:28:20
• Find the limit
  lim n ->∞ 1/2n log(2nCn) ...
  0·2· #Mathematics#Calculus
  commented2013-03-24 04:36:34
• Reaction Mechanism
  *Image* Give the product of the organic reaction given above by showing its favourable mechanism. ...
  0·7· #Chemistry#Organic Chemistry
  commented2013-04-02 02:19:07
• Reaction Mechanism
  *Image* Give the product of the organic reaction given above by showing its favourable mechanism. ...
  0·7· #Chemistry#Organic Chemistry
  commented2013-04-01 08:29:46
• Reaction Mechanism
  *Image* Give the product of the organic reaction given above by showing its favourable mechanism. ...
  0·7· #Chemistry#Organic Chemistry
  commented2013-03-30 02:20:19
• The Halogens
  Arrange in the order of descending bond angle in OF2, OCl2 and OBr2 with proper explanation. ...
  0·2· #Chemistry#Inorganic Chemistry
  commented2013-03-24 04:25:01
• Work,Power & Energy-2
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  0·6· #Physics#Mechanics
  commented2013-03-16 20:18:30
• Doppler Effect.
  A man stands on the top of a high building with a source of sound with frequency 1000 Hz.He accidently drops the device.Find the frequency of the sound heard by the man 4 seconds after he drops the device?(Speed of sound=320 ...
  0·4· #Physics#Mechanics
  commented2013-03-04 00:47:11
• Doppler Effect.
  A man stands on the top of a high building with a source of sound with frequency 1000 Hz.He accidently drops the device.Find the frequency of the sound heard by the man 4 seconds after he drops the device?(Speed of sound=320 ...
  0·4· #Physics#Mechanics
  commented2013-03-03 22:29:49
• Magnetic Effect of Current-2
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  0·2· #Physics#Electricity and magnetism
  commented2013-03-03 22:31:34
• Complex number
  FIND THE LOCUS OF THE COMPLEX NUMBER FOLLOWING THE RELATIONS arg(z-1)=pi/4 AND |z-2-3i|=2. ...
  0·2· #Mathematics#Algebra
  commented2013-03-02 00:50:17
• Photoelectric Effect-1
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  0·2· #Physics#Modern physics
  commented2013-03-04 00:42:32
• Photoelectric Effect-1
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  0·2· #Physics#Modern physics
  commented2013-03-02 21:12:44
• Laws of Motion-4
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  0·14· #Physics#Mechanics
  commented2013-03-01 04:38:27
• Centre Of Mass
  We all know that the c.o.m of a spherical ball having a small hole through which water leaks out at the bottom first goes down and then comes up..Ques is..->wat is the maximum depth till which the c.o.m. goes down..do the ...
  0·1· #Physics#Mechanics
  commented2013-03-02 00:51:40