Physics
Grade-9
Easy
Question
When the temperature of a liquid increases, its particles ____.
- Vibrate less vigorously
- Move randomly at increased speeds
- Move randomly at decreased speeds
- Cover a lesser volume than before
Hint:
Temperature effects the motion of the atoms or molecules in a liquid,on increasing the temperature Kinetic Energy increases
The correct answer is: Move randomly at increased speeds
- Temperature effects the motion of the atoms or molecules in a liquid. As the temperature of a solid, liquid or gas increases, the particles move more rapidly. As the temperature falls, the particles slow down.
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