When we drink liquid with a straw ,the air pressure inside the straw

Increases

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Decreases

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Both

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Remains equal to the air pressure

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Solution

The correct option is C Decreases
When we drink liquid with a straw ,the air pressure (due to our sucking)inside the straw decreases.The air pressure acting on the surface of liquid then becomes greater than the pressure inside the straw

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Similar questions

Q. Fill in the blank.

When we drink liquid with a straw,the air pressure acting on the surface of liquid then becomes _______ than the pressure inside the straw

Question 3

Figure shows a child blowing air with a straw near the opening of another straw which has its other end in a soft drink bottle. It was observed that the level of the soft drink in the straw rises up as soon as air is blown over its open end. Which one of the following best explains the reason for rise in level of the drink?

(a) Blowing of air decreases pressure over the opening of the straw.

(b) The straw of the soft drink bottle collapses when air is blown over its open end

(d) Blowing of air increases the pressure on the surface of soft drink in the bottle.

Q. When we drink a soft drink with the help of a straw, what forces the liquid up the straw?

The reason we are not crushed under the weight of air is that the pressure inside our body is equal to the atmospheric pressure.

Q. While drinking a soft drink with the help of a straw the pressure in the straw is ______ and the pressure in the bottle is_______

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When we drink liquid with a straw ,the air pressure inside the straw

The correct option is C DecreasesWhen we drink liquid with a straw ,the air pressure (due to our sucking)inside the straw decreases.The air pressure acting on the surface of liquid then becomes greater than the pressure inside the straw

The correct option is C Decreases
When we drink liquid with a straw ,the air pressure (due to our sucking)inside the straw decreases.The air pressure acting on the surface of liquid then becomes greater than the pressure inside the straw