14 Replies
@Gyro Gearloose
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.lets say h height of water has been filled
we want the bottom most particle to appear at a depth of 21/2 cm
21/2 = 3/4 * h
h=14cm
no
the observer now thinks that wherever the bottom most particle is now the new depth
so the height of water should be half of that
real depth = h
apparent depth = h/2
for observer in air
not nessecary
its not the apparent depth that matters
its the fact that the water is filled upto half of the apparent depth
@integralofe^2v can u explain what the ques is asking precisely
basically first assum water is filled till height x
then when obsevrer looks from top of beaker, it will see the bottom of beaker at a new level
so basically for him the beakers length is just 21-x+x/u
and for it to appear half filled, 21-x=x/u
hmmm yeah makes sense now
apparent depth should be equal to the remaining portion of beaker to create an illusion of half filled
yaa
got it
ek aur dekhna
+solved @integralofe^2v
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