REASONING TYPE QUESTION
Ink gets filled in the fountain pen when it's rubber tube is pressed and pen is placed in the inkpot
Answers
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Answer᭄
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Explanation:
let's perform an experiment
Aim: To observe air pressure act on ink dropper
Things needed: A dropper and water or an ink pot
method:
Press the bulb of the dropper
Lower the dropper in ink (or ink), keeping the bulb pressed
Now release the bulb
observation: water (or ink) is sucked up into the tube of the dropper.
Conclusion: When the bulb is pressed, air goes out of the dropper. When it is released in water, air pushes water into the dropper
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