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From: sonalmaheshwariReply 1 of 37Reply
Subject: Contributed Answer/Explanation to Q. 24
   4

Posted at: Wed Dec 9 11:10:43 2009 (GMT)

From: ratchetReply 2 of 37Reply
Subject: Contributed Answer/Explanation to Q. 3
   Dioptre represents the power of lens

Posted at: Sun Feb 7 03:02:37 2010 (GMT)

From: ratchetReply 3 of 37Reply
Subject: Contributed Answer/Explanation to Q. 4
   Kelvin represents the temparature of a body

Posted at: Sun Feb 7 03:03:10 2010 (GMT)

From: ratchetReply 4 of 37Reply
Subject: Contributed Answer/Explanation to Q. 33
   | |(parallel) to the base

Posted at: Sun Feb 7 03:10:14 2010 (GMT)

From: ratchetReply 5 of 37Reply
Subject: Contributed Answer/Explanation to Q. 34
   The white ligt splits into the visible spectrum(VIBGYOR)

Posted at: Sun Feb 7 03:11:03 2010 (GMT)

From: sam22Reply 6 of 37Reply
Subject: Contributed Answer/Explanation to Q. 1
   M.A.=V.R.

Posted at: Wed Feb 10 06:26:47 2010 (GMT)

From: sam22Reply 7 of 37Reply         View replies (2)
Subject: Contributed Answer/Explanation to Q. 2
   M.A.<V.R.

Posted at: Wed Feb 10 06:27:11 2010 (GMT)

From: sam22Reply 8 of 37Reply
Subject: Contributed Answer/Explanation to Q. 2
   M.A.<V.R.

Posted at: Wed Feb 10 06:27:43 2010 (GMT)

From: sam22Reply 9 of 37Reply
Subject: Contributed Answer/Explanation to Q. 2
   M.A. is lesser than V.R.

Posted at: Wed Feb 10 06:28:04 2010 (GMT)

From: sam22Reply 10 of 37Reply
Subject: Contributed Answer/Explanation to Q. 5
   0.2 kg and 2 kg

Posted at: Wed Feb 10 16:46:49 2010 (GMT)

From: sam22Reply 11 of 37Reply
Subject: Contributed Answer/Explanation to Q. 6
   2 m/s

Posted at: Wed Feb 10 16:47:11 2010 (GMT)

From: sam22Reply 12 of 37Reply
Subject: Contributed Answer/Explanation to Q. 9
   Yes.
   Land cools faster than water because water has a higher specific heat
   capacity than land.

Posted at: Wed Feb 10 16:48:10 2010 (GMT)

From: sam22Reply 13 of 37Reply
Subject: Contributed Answer/Explanation to Q. 10
   This is because 1 gm of steam at 100 degree celsius imparts an additional
   2268 J of heat energy than that imparted by 1 gm of water at 100 degree
   celsius.

Posted at: Wed Feb 10 16:50:14 2010 (GMT)

From: sam22Reply 14 of 37Reply
Subject: Contributed Answer/Explanation to Q. 12
   2.47

Posted at: Wed Feb 10 16:50:48 2010 (GMT)

From: sam22Reply 15 of 37Reply
Subject: Contributed Answer/Explanation to Q. 13
   220 Volts

Posted at: Wed Feb 10 16:52:15 2010 (GMT)

From: sam22Reply 16 of 37Reply         View replies (1)
Subject: Contributed Answer/Explanation to Q. 16
   16:81

Posted at: Wed Feb 10 16:52:48 2010 (GMT)

From: sam22Reply 17 of 37Reply
Subject: Contributed Answer/Explanation to Q. 16
   16:81
   
   Intensity is directly proportional to square of amplitude.

Posted at: Wed Feb 10 16:53:40 2010 (GMT)

From: sam22Reply 18 of 37Reply         View replies (1)
Subject: Contributed Answer/Explanation to Q. 18
   Nichrome.

Posted at: Wed Feb 10 16:54:48 2010 (GMT)

From: sam22Reply 19 of 37Reply
Subject: Contributed Answer/Explanation to Q. 17
   272 metres

Posted at: Wed Feb 10 16:55:55 2010 (GMT)

From: sam22Reply 20 of 37Reply
Subject: Contributed Answer/Explanation to Q. 19
   20 A
   This is so that its resistance be low and current carrying capacity be high.

Posted at: Wed Feb 10 16:57:03 2010 (GMT)

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