tinh chat cua guong cau lom
1 nguoi soi guong cau loi va guong phang . So sanh anh cua 2 guong
tinh chat cua guong cau loi
Hay so sanh anh cua mot vat tao boi guong phang va anh cua vat ay tao boi guong cau loi?
Dung guong cau lom huong ve phia Mat Troi khi troi nang co the dot chay duoc mot mau giay .Giai thich tai sao?
Giupminh vo
ung dung guong cau loi , guong caun loi
1. Ta nhan bik dc anh sang khi nao? Cho vi du
2.Ta nhin thay mot vat khi nao? Cho vi du
3. The nao la nguon sang? Vat sang? Vat dc chieu sang?
4. Khi nao xay ra hien tuong nhat thuc, nguyet thuc?
5. Hien tuong phan xa anh sang la gi?
6. Phat bieu dinh luat phan xa anh sang?
7. So sanh anh cua mot vat ao boi guong phang, guong cau loi va guong cau lom co diem gi giong nhau va khac nhau?
8. Phat bieu dinh luat thang anh sang
9. The nao la chum sang song song, chum sang hoi tu va chum sang phan ki?
anh trang nguyet thuc bi che 1 phan co phai la guong cau lom ko
guong cau loi co tinh chat j
