Biet bep mat troi duoc lam tu guong cau lom

1/theo em nguoi tham gia nen lap gia do o vi tri nao cua guong cau lom de tao ra bep mat troi

2/em hay giai thich tai sao nguoi tham gia ngay hoi co the neu chin duoc thuc an khi lap gia do o vi tri tren

Giai thich

a) Khi dun nong 1 vat duoi anh nang Mat Troi, ta dat vat do truoc guong cau lom.

b) De quan sat rang cua benh nhan, nha si dung 1 dung cu giong guong cau lom. No co tac dung gi?

tia sang mat troi nghieng 1 goc a=50 do so voi phuong ngang. Can dat guong nhu the nao de cho tia phan xa co phuong ngang, chieu tu trai sang phai

mot nguoi cao 165cm khi dung truoc 1 guong cau loi thi chieu cao anh sang cua nguoi do tao boi guong cau loi co gia tri bang

trong 1 khi nhiem  ng ta do dc goc tao boi tia toi va duong luat phat tuyen cua mat guong bang 35^o  tim gia tri cua goc toi va tia phan xa

moi nguoi oi giup voi nha bua vao bai van co to 

- mot cau co vi ngu tra loi cau hoi lam j? de ke lai nhan vat toi da lm

- mot cau co vi ngu tra loi cau hoi nhu the nao? de ta mat troi 

-mot cat co vi ngu tra loi cau hoi la j? de gioi thieu chau hoa man

phan tich cau tao cua chu ngu can gap nhe

mo ban hoc sinh chep lai cau van nhu sau:thuyen cua chung toi cheo qua kenh Bo Mat, ra con song Cuu Lon, ve Nam Can.

a,so voi nguyen ban cau van ban chep sai o diem nao.

b,viec chep sai nhu vay co anh huong den noi dung va gia tri goi cam cua cau van?hay so sanh voi nguyen ban de lam ro su thay doi do

khi nao nguoi ta co nhu cau tao lap van ban?lay viec viet thu cho mot nguoi nao do lam vi duhay cho biet dieu gi thoi thuc nguoi ta phai viet thu?

vi sao tren o to hay xe may nguoi ta ko gan guong cau lom de nguoi lai xe quan sat anh ao cua cac vat phia sau xe