A drinking straw works on the pressure exerted by the atmosphere on the liquid which the straw is put into.

False

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State whether the following statements are true or false :

(a) The pressure exerted by a liquid depends on the area of base of its container ?

(b) A drinking straw works on the pressure exerted by the liquid filled in a soft in a soft drink bottle in which it is placed.!

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. A drinking straw works on the pressure exerted by the atmosphere on the liquid which the straw is put into.

How does a drinking straw works on atmospheric pressure?

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

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