Which of the following figures cannot possibly represent electrostatic field lines?

Which of the following curves shown in the figure cannot possibl represent electrostatic field lines?

Which among the curves shown in Fig. cannot possibly represent electrostatic field lines? :

Which of the following pentafluorides cannot be prepared?

Which one of the following is possible ?

Which of the following cannot be recycled in an ecosystem?

Which of the following cannot be the probability of an event?

Which of the following cannot be the probability of an event?

Which of the following diagrams (shown in the figure) doesnot represent a streamline flow?

Look at the graphs (Fig. 3.20) carefully and state, with reasons, which of these cannot possibly represent one-dimensional motion of a particle.