Multiple choice general knowledge science & technology

Rain drops are spherical because of

  1. a)viscosity

  2. b)air resistance

  3. c)surface tension

  4. d)atmospheric pressure
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Surface tension minimizes surface area, causing small water droplets to form spherical shapes. For falling rain drops, air resistance distorts this ideal shape, but surface tension is the fundamental reason for sphericity.

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