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From: raveenasainibhondiReply 1 of 141Reply
Subject: Contributed Answer/Explanation to Q. 25
   Whwn an electric power of one watt flows through a conductor for one hour,
   then the electrical energy flowing through the conductor is called
   kilowatt-hour. 1 kilowatt hour is equal to 3,600,000J.

Posted at: Fri Dec 4 13:38:47 2009 (GMT)

From: asif51Reply 2 of 141Reply
Subject: Contributed Answer/Explanation to Q. 1
   CLASS2 LEVER

Posted at: Sat Dec 12 10:33:06 2009 (GMT)

From: nikhilesh94Reply 3 of 141Reply         View replies (3)
Subject: Contributed Answer/Explanation to Q. 2
   2:3

Posted at: Sat Dec 26 13:48:12 2009 (GMT)

From: nikhilesh94Reply 4 of 141Reply
Subject: Contributed Answer/Explanation to Q. 2
   2:3(MGH)

Posted at: Sat Dec 26 13:48:29 2009 (GMT)

From: nikhilesh94Reply 5 of 141Reply
Subject: Contributed Answer/Explanation to Q. 2
   2:3(mgh)

Posted at: Sat Dec 26 13:48:40 2009 (GMT)

From: nikhilesh94Reply 6 of 141Reply
Subject: Contributed Answer/Explanation to Q. 7
   sine of the angle of incidence to the sine of the angle of reflection is
   always a constant

Posted at: Sat Dec 26 13:50:02 2009 (GMT)

From: nikhilesh94Reply 7 of 141Reply
Subject: Contributed Answer/Explanation to Q. 8
   black

Posted at: Sat Dec 26 13:51:17 2009 (GMT)

From: slash22Reply 8 of 141Reply
Subject: Contributed Answer/Explanation to Q. 12
    Given below
   The maximum displacement of a particle from its mean position when energy is
   transferred through it.

Posted at: Wed Jan 13 13:00:14 2010 (GMT)

From: slash22Reply 9 of 141Reply
Subject: Contributed Answer/Explanation to Q. 13
   The number of vibrations in a substance per second

Posted at: Wed Jan 13 13:00:43 2010 (GMT)

From: slash22Reply 10 of 141Reply         View replies (1)
Subject: Contributed Answer/Explanation to Q. 15
   In a plane mirror, energy is lost. Total I.R.-No loss in energy.

Posted at: Wed Jan 13 13:01:37 2010 (GMT)

From: slash22Reply 11 of 141Reply
Subject: Contributed Answer/Explanation to Q. 16
   A.
   
   Since the slope if VI graph is lesser for an object in parallel resistance,
   because it has lesser resistance.

Posted at: Wed Jan 13 13:03:11 2010 (GMT)

From: slash22Reply 12 of 141Reply
Subject: Contributed Answer/Explanation to Q. 17
   Neutral & Live wires.

Posted at: Wed Jan 13 13:03:36 2010 (GMT)

From: slash22Reply 13 of 141Reply
Subject: Contributed Answer/Explanation to Q. 18
   Live wire

Posted at: Wed Jan 13 13:03:52 2010 (GMT)

From: slash22Reply 14 of 141Reply
Subject: Contributed Answer/Explanation to Q. 19
   Singly ionized He atom.

Posted at: Wed Jan 13 13:04:21 2010 (GMT)

From: slash22Reply 15 of 141Reply
Subject: Contributed Answer/Explanation to Q. 20
   Doubly-ionized He atom.

Posted at: Wed Jan 13 13:04:38 2010 (GMT)

From: slash22Reply 16 of 141Reply
Subject: Contributed Answer/Explanation to Q. 23
   Since the latent heat of fusion of steam is higher than that that of water.

Posted at: Wed Jan 13 13:05:25 2010 (GMT)

From: slash22Reply 17 of 141Reply
Subject: Contributed Answer/Explanation to Q. 26
   W=Force x displacement x cos theta (W=Fd cos0)
   I have put theta as 0.

Posted at: Wed Jan 13 13:08:26 2010 (GMT)

From: slash22Reply 18 of 141Reply
Subject: Contributed Answer/Explanation to Q. 27
   Light energy to chemical energy.

Posted at: Wed Jan 13 13:09:08 2010 (GMT)

From: slash22Reply 19 of 141Reply
Subject: Contributed Answer/Explanation to Q. 28
   Electric energy to chemical energy.

Posted at: Wed Jan 13 13:09:25 2010 (GMT)

From: slash22Reply 20 of 141Reply
Subject: Contributed Answer/Explanation to Q. 29
   n = MA/VR x 100%

Posted at: Wed Jan 13 13:10:11 2010 (GMT)

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