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?

X will move downwards and Y will move upwards.

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X will move upwards and Y will move downwards.

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X and Y will move upwards.

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X and Y will move downwards.

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Solution

The correct option is D X and Y will move downwards.
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.

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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?

The correct option is D X and Y will move downwards.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.

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?

The correct option is D X and Y will move downwards.
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.