MCQ
The weight of an object at the center of the Earth will be:
- ✓Zero
- BInfinite
- CSimilar to the earth's surface
- DNone of the above
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$(A)$ the mean free path of the molecules decreases.
$(B)$ the mean collision time between the molecules decreases.
$(C)$ the mean free path remains unchanged.
$(D)$ the mean collision time remains unchanged.