\documentclass{beamer}
\usepackage{cjhebrew}

\begin{document}

\begin{frame}{Example of Hebrew / \cjRL{`bryt} in Beamer}

      \begin{block}{A Block with Hebrew}
      \begin{itemize}
         \item \cjRL{`bryt}
         \item \cjRL{'bgdhwz.h.tyklmns`p.sqr/st}
         \item \cjRL{niqud}
      \end{itemize}
      \end{block}

\end{frame}

\end{document}