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physics

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in light experiments using objects, lenses and a screen
try to use a translucent screen
but why ????? :?:
 
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I beleive that it is to minimize the scattering of light rays to form a clearer image and also beause it will be easier to view the mage grom the back of the screen as well
 
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Yes, I'm quite sure that the answer is because it is easier to view from the back of the screen as there is no obstruction of light rays.
 
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nov 2003 que 4 b1 atp physics O level.....i need help in the part where V/V0 is riten ....wats the meanin of this part and how can we solve it?
 

PlanetMaster

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The meaning is written in b(i):
"The volume of water in the tank at the beginning of the experiment is V0."

Divide the V/cm³ written in second coloum by V0 which is 13600 (From graph at t=0).
 
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