Bai1.Cho 1 chum sang don sac di qua lang kinh co goc chiet quang A=60 o va thu duoc goc lech cuc tieu D m =60 o . Chiet suat cua lang kinh la bao nhieu? Bai2.Tia toi vuong goc voi mat ben cua lang kinh thuy tinh co chiet suat n=1,5 goc chiet quang A .Tia lo hop voi tia toi mot goc toi mot goc lech D=30 o .Goc chiet quang A cua lang kihnh la? Bai3. Mot tia sang vuong goc voi mat phan cach AB cua lang kinh co chiet suat n=1,4 va goc chiet quang A=30 o .Goc lech cua tia sang qua lang kinh la?(DS:D=15 o ) Bai 4.Lang kinh co goc chiet quang A=60 o ,chum sang song song qua lang kinh co goc lenh cuc tieuD m =42 o .Goc lech cua tia toi khi di qua lang kinh la bao nhieu?(DS:i=51 o ) Bai 5. .Lang kinh co goc chiet quang A=60 o ,chum sang song song qua lang kinh co goc lenh cuc tieuD m =42 o .Chiet suat cua lang kinh la bao nhieu?(DS:n=1,55) Bai 6. Khi chieu tia sang di qua lang kinh co tiet dien la tam giac deu voi goc toi i=45 o thi gooc khuc xa r 1 bang goc toi r 2 .Goc lech giua hai tia sang do la bao nhieu ?(DS:30 o ) . cua lang kinh co chiet suat n=1,4 va goc chiet quang A=30 o .Goc lech cua tia sang qua lang kinh la?(DS:D=15 o ) Bai 4 .Lang kinh co goc chiet quang A=60 o ,chum sang song song qua lang kinh. khi di qua lang kinh la bao nhieu?(DS:i=51 o ) Bai 5. .Lang kinh co goc chiet quang A=60 o ,chum sang song song qua lang kinh co goc lenh cuc tieuD m =42 o .Chiet suat cua lang kinh la bao. Bai1 .Cho 1 chum sang don sac di qua lang kinh co goc chiet quang A=60 o va thu duoc goc lech cuc tieu D m =60 o . Chiet suat cua lang kinh la bao nhieu? Bai2 .Tia toi vuong