Question

The temperature at which all molecular motion ceases is :

• A. $0^{\circ }C$
• B. ${15}^{\circ }C$
• C. Zero power
• D. Absolute zero

Answer 1

The correct option is D

Absolute zero

• Explanation for correct answer:

All the molecular motion ceases at $0K$temperature which is called absolute zero temperature.

• Explanation for incorrect options:
• At zero degree centrigrade and ${15}^{\circ }C$ the molecular motion are not zero.
• And at zero power the all molecular motion will not be zero.