Question

3. Figure 8.2 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?
Fig. 8.2​

Answer 1

Answer:

Blowing of air decreases pressure over the opening of the straw

Explanation:

Decreased pressure over the opening of the straw makes the level of soft drinks rise.

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