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Question 30942
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Fluid Mechanics: Surface Tension MCQ

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

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Surface TensionEasyQuestion 30942

Question

The angle of contact (θ) for water-glass is:
  1. A
    Greater than 90°
  2. B
    Equal to 90°
  3. C
    Less than 90°
    Correct
  4. D
    Equal to 0°

Correct answer

Less than 90°

Explanation

Water wets glass (adhesion > cohesion), so θ < 90° and water rises in glass capillary.

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