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## Discussion topic: Contributed Answer/Explanation to Q. 43

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 Page 1 of 1 From: lockdown Reply 1 of 4 Reply Subject: Contributed Answer/Explanation to Q. 43 ``` Impure spectrum: It is the spectrum in which some of the component colors, the difference of wavelengths of which are very small, overlap on one another. Thus, after dispersion, the component colors do not occupy separate distinct positions on a screen. Impure spectrum: It is the spectrum in which some of the component colors, the difference of wavelengths of which are very small, overlap on one another. Thus, after dispersion, the component colors do not occupy separate distinct positions on a screen. ```Posted at: Sun Mar 7 14:15:02 2010 (GMT) From: abhishek100031 Reply 2 of 4 Reply Subject: Contributed Answer/Explanation to Q. 1 ``` 5 m/s 1/2 mv.v=750 v.v=750/30 v=5m/s ```Posted at: Wed Apr 21 09:57:03 2010 (GMT) From: memoaly Reply 3 of 4 Reply Subject: Contributed Answer/Explanation to Q. 19 ``` nn ```Posted at: Fri Jun 4 11:41:14 2010 (GMT) From: akshaymbhat Reply 4 of 4 Reply Subject: Contributed Answer/Explanation to Q. 8 ``` the amount of heat energy liberated when unit mass of water converts to ice without any change in temperature L = Q / m S.I unit = J kg -1 ```Posted at: Fri Jan 28 13:36:04 2011 (GMT) Page 1 of 1

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