documentclass{beamer}

logo{includegraphics[width=.1textwidth]{example-image}}

begin{document}

begin{frame}
    abc
end{frame}

end{document}

documentclass{beamer}

logo{includegraphics[width=.1textwidth]{example-image}hspace*{.88paperwidth}}

begin{document}

begin{frame}
    abc
end{frame}

end{document}