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![[Post New]](/templates/default/images/icon_minipost_new.gif) 23 Apr 2008 23:24:06 IST
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when temperature increase the frequency of a tunning fork increase decrease remains same a child swinging on swing stand up time period of swing will increase decrease remain same
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23 Apr 2008 23:42:18 IST
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a child swinging on swing stand up time period of swing will
decrease
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23 Apr 2008 23:45:24 IST
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wein's law
wavelength into temperature = constant
therefore when ya increase the temperature, wavelength decreases, that means frequency increases...
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PROGRESS ISN'T MADE BY EARLY RISERS OR HARD WORKERS, BUT BY LAZY PEOPLE TRYING TO FIND EASIER WAY TO DO THE SAME.....SO BE LAZZZZYY!!!! |
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24 Apr 2008 08:02:44 IST
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@ svz but wein's law is only used for radiations
and i'm talking abt standing waves here !
is same apply for standing waves too ????
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24 Apr 2008 08:04:06 IST
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@ svz but wein's law is only used for radiations
and i'm talking abt standing waves here !
is same apply for standing waves too ????
@jain post the solution
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25 Apr 2008 20:50:01 IST
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The time period will increase beacuse when the child stands the effective length will decrease as the length will be measured from the point of suspension to childs centre of mass which wil be at a greater height when the child stands....
and we know 
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25 Apr 2008 21:11:06 IST
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time period wil increse because centre of gravity wil shift upward bcoz boy wil stand up
and hence g wil decrese and time period wil increse
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25 Apr 2008 21:13:38 IST
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@ amway
time period will decrease becos of decrease in eff. length and change in g is not appreciable (not even for the tallest man on earth) 
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all the best ... |
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