First slide

Surface tension

Question

Droplets of liquid are usually more spherical in shape than large drops of same liquid because

Easy

A

force of surface tension is equal and opposite to force of gravity
B

force of surface tension predominates the force of gravity
C

force of gravity predominates the force of surface tension
D

force of gravity and force of surface tension act in the same direction and are equal

Solution

$f o r s m a l l e r d r o p e x c e s s p r e s s u r e d u e t o s u r f a c e t e n s i o n \frac{2 T}{R} i s m o r e$

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