science easy mcq rrb ntpc graduate cbt-1 shift 1

Working of hydraulic lift and hydraulic brakes is based on:

  1. Faraday's law
  2. Gay-Lussac's law
  3. Pascal's law
  4. Coulomb's law

Answer: Pascal's law

Pascal's law states that pressure applied to a confined fluid is transmitted equally in all directions, which is the principle behind hydraulic systems.

Topic Physics
Exam Relevance RRB NTPC, SSC, Railway