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hey answer that prism question that u asked from us a couple of days backReally? Wow ... you saved me mate. Really thanks , i was doomed until you told me that .
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hey answer that prism question that u asked from us a couple of days backReally? Wow ... you saved me mate. Really thanks , i was doomed until you told me that .
Barely touched anything.so guys two months or less than that now,whose still preparing and whose completely prepared and doing Past papers ! And who are the people who havent even touched anything
yeah!thnx a lot!!no its is why dont u get it.. its too simple wet air has more water molecules per unit volume doesnt it ?? water molecule weights 18 doesnt it.. see take it as this u have 1 cm3 of wet air that have 98% water molecules so lets consider the mass of 1cm3 of wet air to be that of the water i.e 18... while i have 1 cm3 of dry air it has 98% nitrogen and oxygen molecules there mass combined is 28+32 so which is denser its so simple now
and yes...boiling occurs when vapour pressure becomes equal to the external pressure...Evaporation occurs at any temp whereas boiling occurs at 100 degree celcius. evaporation takes place at surface wheras boiling takes place throughout the liquid.
and that also means that dry air is denser than wet air?no its is why dont u get it.. its too simple wet air has more water molecules per unit volume doesnt it ?? water molecule weights 18 doesnt it.. see take it as this u have 1 cm3 of wet air that have 98% water molecules so lets consider the mass of 1cm3 of wet air to be that of the water i.e 18... while i have 1 cm3 of dry air it has 98% nitrogen and oxygen molecules there mass combined is 28+32 so which is denser its so simple now
afcourse girland that also means that dry air is denser than wet air?
Balanced forces keep an object either at rest or in motion with constant velocity. (Newton's first law of motion)Describe the effects of balanced and unbalanced forces on a body..........I don't know this please help
It is the process of making an object look larger than it really is.Define linear magnification
afcourse girl
Describe the effects of balanced and unbalanced forces on a body..........I don't know this please help[/quif we talk abt water...thn wtr is less dense than air?but yr in water molecules are more closer thus in per unit volume mass will be greater...and so density will be greater...???afcourse girl
The sum of the clockwise moments must equal the sum of the anti clockwise moments.Describe how to verify the principle of moments
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