A) \[\frac{\omega (M-2m)}{M+2m}\]
B) \[\frac{\omega M}{M+2m}\]
C) \[\frac{\omega (M+2m)}{M}\]
D) \[\frac{\omega M}{M+m}\]
Correct Answer: B
Solution :
Here \[\overrightarrow{r}.\overrightarrow{\tau }=0\] \[\overrightarrow{F}.\overrightarrow{\tau }=0\] \[\overrightarrow{r}.\overrightarrow{\tau }=0\] \[\overrightarrow{F}.\overrightarrow{\tau }\ne 0\] where N is number of photons emitted per sec. \[30m{{s}^{-2}}\]\[4m{{s}^{-2}}\] \[4m{{s}^{-2}}\]\[14m{{s}^{-2}}\]
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