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Discussion topic: Contributed Answer/Explanation to Q. 1

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 Page 1 of 1 From: vish4 Reply 1 of 9 Reply Subject: Contributed Answer/Explanation to Q. 1 ``` Joules, denoted as J ```Posted at: Wed Dec 23 07:47:00 2009 (GMT) From: vish4 Reply 2 of 9 Reply View replies (1) Subject: Contributed Answer/Explanation to Q. 2 ``` m =1kg, ```Posted at: Wed Dec 23 07:52:28 2009 (GMT) From: vish4 Reply 3 of 9 Reply Subject: Contributed Answer/Explanation to Q. 2 ``` ANSWER :-
```Posted at: Wed Dec 23 08:07:53 2009 (GMT) From: ratchet Reply 4 of 9 Reply Subject: Contributed Answer/Explanation to Q. 3 ``` Zero No work is done. ```Posted at: Sun Feb 7 02:06:12 2010 (GMT) From: ratchet Reply 5 of 9 Reply Subject: Contributed Answer/Explanation to Q. 5 ``` Example Sugar tongs ```Posted at: Sun Feb 7 02:07:52 2010 (GMT) From: ratchet Reply 6 of 9 Reply Subject: Contributed Answer/Explanation to Q. 10 ``` Answer The boiling point of the water is 150o C ```Posted at: Sun Feb 7 02:10:10 2010 (GMT) From: ratchet Reply 7 of 9 Reply Subject: Contributed Answer/Explanation to Q. 11 ``` At the region DE melting takes place ```Posted at: Sun Feb 7 02:10:45 2010 (GMT) From: ratchet Reply 8 of 9 Reply Subject: Contributed Answer/Explanation to Q. 45 ``` Answer Critical angle is the angle of incidence in the denser medium corresponding to the angle of refraction in the rarer medium is 90o ```Posted at: Sun Feb 7 02:54:59 2010 (GMT) From: ratchet Reply 9 of 9 Reply Subject: Contributed Answer/Explanation to Q. 51 ``` Answer According to Ohm's law the current flowing in a conductor is directly proportional to potensial difference across its ends provided the physical conditions and the temparature remains constant ```Posted at: Sun Feb 7 03:00:02 2010 (GMT) Page 1 of 1