MCQ
“Stationary waves” are so called because in them
- AThe particles of the medium are not disturbed at all
- BThe particles of the medium do not execute SHM
- ✓There occurs no flow of energy along the wave
- DThe interference effect can’t be observed
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$(A)$ the process during the path $\mathrm{A} \rightarrow \mathrm{B}$ is isothermal
$(B)$ heat flows out of the gas during the path $\mathrm{B} \rightarrow \mathrm{C} \rightarrow \mathrm{D}$
$(C)$ work done during the path $\mathrm{A} \rightarrow \mathrm{B} \rightarrow \mathrm{C}$ is zero
$(D)$ positive work is done by the gas in the cycle $ABCDA$