A small drop of water at 10°C falls in the air at a terminal velocity because of the air friction caused by collisions of air molecules with the droplet. How will the terminal velocity of drops change with increasing temperature? (Consider only thermal expansion of water)

Engineering

Physics

Straight Line Motion

Surface Tension and Surface Energy

Thermal Expansion

Question

A small drop of water at 10°C falls in the air at a terminal velocity because of the air friction caused by collisions of air molecules with the droplet. How will the terminal velocity of drops change with increasing temperature? (Consider only thermal expansion of water)

can be increases or decreases depending coefficient of thermal expansion of water

decreases

remains same

increases

LiveFree JEE Main Previous Year Online Papers Live Free JEE Advance Previous Year Online Papers

College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

$y_{T} = \frac{2}{g} \frac{r^{2} gρ}{η}$