MCQ
Which of the following relation is correct :
- ✓Heat capacity = specific heat $\times$ mass
- BSpecific heat = mass $\times$ heat capacity
- CHeat capacity = mass/specific heat
- DSpecific heat = heat capacity
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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.
$A.$All blocks move with the same acceleration
$B.$The net force on each block is the same
Which of these statements are/is correct
