Everyday Science Medium fpsc ppsc nts

Which phenomenon explains why a straw placed in a drink allows liquid to be sucked upward?

  • A Gravity pulling liquid
  • B Magnetic force
  • C Atmospheric pressure pushing liquid up
  • D Surface tension alone
Correct Answer: Option C — Atmospheric pressure pushing liquid up
Explanation: When you suck on a straw you reduce air pressure inside it and the greater atmospheric pressure outside pushes the liquid upward into your mouth.
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MCQ Details
SubjectEveryday Science
DifficultyMedium
Exam Typesfpsc, ppsc, nts
CorrectOption C
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