The figure shows an experimental plot for discharging of a capacitor in an R-C circuit. The time constant $\tau$ of this circuit lies between : <br>

Question

https://clay6.com/mpaimg/967_a.jpg

( A ) 150 sec and 200 sec
( B ) 50 sec and 100 sec
( C ) 0 and 50 sec
( D ) 100 sec and 150 sec