Let $z$ satisfy $|z|=1$, $z=1-\bar{z}$ and $\operatorname{Im}(z) > 0$.
Statement-$I$: $z$ is a real number.
Statement-$II$: Principal argument of $z$ is $\frac{\pi}{3}$.
Then

  • A
    Statement-$I$ is true, Statement-$II$ is true and Statement-$II$ is a correct explanation of Statement-$I$
  • B
    Statement-$I$ is true, Statement-$II$ is true, but Statement-$II$ is not a correct explanation of Statement-$I$
  • C
    Statement-$I$ is false, Statement-$II$ is true
  • D
    Statement-$I$ is true, Statement-$II$ is false

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