A man starts from the point P−3,4 and reaches the point Q0,1touching the x-axis at Rα,0 such that PR+PQ is minimum. Then α=

For PR=RQ to be minimum, it should be the path of light.∴   ∠PRA=∠QRMFrom similar triangle PAR and QMR,ARRM=PAQMor α+30−α=41or α=−35