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From: anirudhthegreatReply 1 of 15Reply
Subject: Contributed Answer/Explanation to Q. 6
   Concave lens

Posted at: Tue Jan 26 06:29:41 2010 (GMT)

From: anirudhthegreatReply 2 of 15Reply
Subject: Contributed Answer/Explanation to Q. 13
   The answer is in the explanation
   1kWh=3.6 × 106

Posted at: Tue Jan 26 06:32:11 2010 (GMT)

From: ratchetReply 3 of 15Reply
Subject: Contributed Answer/Explanation to Q. 16
   Identification of earth pin.
   
   It can be identified by the long and fat structure of it

Posted at: Sat Feb 6 17:27:16 2010 (GMT)

From: ratchetReply 4 of 15Reply
Subject: Contributed Answer/Explanation to Q. 21
   Sound energy to electrical energy

Posted at: Sat Feb 6 17:43:32 2010 (GMT)

From: ratchetReply 5 of 15Reply
Subject: Contributed Answer/Explanation to Q. 22
   Electrical energy to heat energy

Posted at: Sat Feb 6 17:44:02 2010 (GMT)

From: ratchetReply 6 of 15Reply
Subject: Contributed Answer/Explanation to Q. 23
   Heat energy to mechanical energy

Posted at: Sat Feb 6 17:44:28 2010 (GMT)

From: ratchetReply 7 of 15Reply
Subject: Contributed Answer/Explanation to Q. 24
   The S.I unit of force is newton. The C.G.S unit of force is dyne.
   
   One newton is the force which when acting on a body of mass 1 kg produces an
   acceleration of 1 m/s2 in it.
   
   
   1N=1kg*1m/s2
   
   
        =1000g*100cm/s2 
   
   
        =100000 g cm/s2 
   
   
        =105 dyne

Posted at: Sat Feb 6 17:53:48 2010 (GMT)

From: ratchetReply 8 of 15Reply
Subject: Contributed Answer/Explanation to Q. 40
   Resonance
   The phenomenon due to which the applied repeated periodic forced vibrations
   becomes equal to the natura frequency of the vibrating body. Then it
   produces a sound with larger amplitude.

Posted at: Sun Feb 7 01:59:03 2010 (GMT)

From: poulomi24Reply 9 of 15Reply
Subject: Contributed Answer/Explanation to Q. 22
   Electrical energy to light and heat energy

Posted at: Thu Mar 4 15:41:43 2010 (GMT)

From: snehald27Reply 10 of 15Reply         View replies (1)
Subject: Contributed Answer/Explanation to Q. 26
   work is said to be done only when the force applied on a body makes the body
   move....i.e there is a displacement of the body
   
   S.I. unit of work is joule.
   
   
   1 joule of work is sais to be done when a force of 1 newton displaces a body
   through 1 metre in its own direction 

Posted at: Sun Mar 21 07:19:58 2010 (GMT)

From: snehald27Reply 11 of 15Reply
Subject: Contributed Answer/Explanation to Q. 26
   work is said to be done only when the force applied on a body makes the body
   move....i.e there is a displacement of the body
   
   S.I. unit of work is joule.
   
   
   1 joule of work is said to be done when a force of 1 newton displaces a body
   through 1 metre in its own direction 

Posted at: Sun Mar 21 07:21:39 2010 (GMT)

From: abhishek100031Reply 12 of 15Reply
Subject: Contributed Answer/Explanation to Q. 34
   answer:

Posted at: Wed Apr 21 09:49:32 2010 (GMT)

From: raunakagarwalReply 13 of 15Reply
Subject: Contributed Answer/Explanation to Q. 43
   5

Posted at: Fri Jul 16 04:49:31 2010 (GMT)

From: okieeReply 14 of 15Reply
Subject: Contributed Answer/Explanation to Q. 36
   I CANT SEE THE FIGUURE
   please~ can it get clear-er?

Posted at: Thu Nov 4 08:55:30 2010 (GMT)

From: hatilwayReply 15 of 15Reply
Subject: Contributed Answer/Explanation to Q. 22
   electric-heat+light
   
   electric-heat and light

Posted at: Sat Jan 8 11:40:40 2011 (GMT)

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