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Question : Ball pen functions on the principle of:

Option 1: Viscosity

Option 2: Boyle's law

Option 3: Gravitational force

Option 4: Surface tension


Team Careers360 13th Jan, 2024
Answer (1)
Team Careers360 22nd Jan, 2024

Correct Answer: Surface tension


Solution : The correct option is Surface tension .

Ballpoint pens operate based on the principle of surface tension. The ink's surface tension determines how effectively it spreads over the pen's ball. If the surface tension is too high, the ink won't spread properly over the ball. Conversely, if the surface tension is too low, the ink may become smeared or blotchy on the paper.

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