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Siddhi from Cambridge Court High School, Jaipur
Subject :NSO    Class : Class 5

The U-tube shown below is immersed in ice water. X and Y are the red ink droplets present inside the tube.

What will you observe after some time?

A X will move downwards and Y will move upwards.
B X will move upwards and Y will move downwards.
C X and Y will move upwards.
D X and Y will move downwards.


question good but hard...

Ans 1:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Due to gravity, both will move downwards, so the correct answer is d

Ans 2:

Swastik from st marys school, new delhi
Class : Class 6
Due to the cooling effect of ice water, the air in the U-tube contracts, due to which the red ink X and Y move downwards.

Ans 3:

Riaant from DPSdwarka,
Class : Class 5
i had this correct but sof result is showing correct answer is d and i have writen d. BAD MALFUNCTION AND NEGATIVE MARKING IS THERE

Ans 4:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
answer is D

Ans 5:

Ashwak from Cambridge, Jalandhar
Class : Class 9
D

Ans 6:

Ishita Dash from DPS Nerul, Navi Mumbai
Class : Class 8
answer is D

Ans 7:

Hemanth from The Camford International School , Coimbatore
Class : Class 5

Ans 8:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
answer is D

Ans 9:

Bhuvika Jindal from sfs indirapuram, gzb
Class : Class 5

Ans 10:

Advait kaushik from Ryan international school, Gurugram
Class : Class 8
There is ice water so it doesn't mean that gravity is gone man

Ans 11: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 12:

Swastik from st marys school, new delhi
Class : Class 6
answer is d because due to the incoming air because of cold water if the water was hot then the ink drops would move up

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