Physics · Applications of Surface Tension
Why is hot soup perceived as tastier than cold soup?
- 1High temperature increases its density, enhancing the chemical activation of taste receptors
- 2High temperature decreases its viscosity, making it flow faster into the throat
- 3Its surface tension is higher at high temperatures, concentrating the flavor on taste buds
- 4Its surface tension is lower at high temperatures, allowing it to spread widely over the tongue✓
Correct answer
Its surface tension is lower at high temperatures, allowing it to spread widely over the tongue
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