NEET Physics · Hard

Mechanical Properties of Fluids: Buoyancy MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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BuoyancyHardQuestion 6450

Question

Object (W_air=100 N, W_water=80 N, W_liquid=85 N). Relative density of liquid:
  1. A
    0.75
    Correct
  2. B
    0.5
  3. C
    1.25
  4. D
    0.25

Correct answer

0.75

Explanation

RD = (W_air−W_liquid)/(W_air−W_water) = (100−85)/(100−80) = 15/20 = 0.75.