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Question 10Asked in BPSC TRE 1.0 (2023) Computer Science Class 11-12 + 18 more papers

The spray bottles used as window or household cleaner or perfume sprayer work on

  1. Acapillary action
  2. BBernoulli’s principle
  3. CPascal’s law
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (B) Bernoulli’s principle

Explanation

Fast-moving air over the tube top lowers pressure there (Bernoulli's principle), so the liquid is pushed up and sprayed out.

From BPSC TRE 1.0 (2023) Computer Science Class 11-12 — Previous Year Paper

This is question 10 of BPSC TRE 1.0 (2023) Computer Science Class 11-12 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.

Asked in 19 papers