The blotting paper helps observe liquid by__________?
Correct answer: B. Capillary Action
- A. Surface Action
- B. Capillary Action
- C. Viscosity
- D. Boldness
Explanation
Tiny pores in blotting paper act like narrow tubes, drawing liquid through them by capillary action. This is why ink or water spreads through the paper without being poured.
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Everyday physics explains motion, force, work, power, pressure, heat, light, sound and electricity through familiar devices and natural events. Topics include simple machines, friction, expansion, reflection and refraction, lenses, household circuits, electrical safety and magnetism, with mass distinguished from weight and heat distinguished from temperature.
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