a surveyor on bank of a canal observed image of 4 inch and 17ft marks on a vertical staff which is partially immersed in water and held against bank directly opposite to hjm,coincides.if 17ft mark and surveyor eye are both 6 ft above water level,estimate width of canal.refractive index of water =3/2
a surveyor on bank of a canal observed image of 4 inch and 17ft marks on a vertical staff which is partially immersed in water and held against bank directly opposite to hjm,coincides.if 17ft mark and surveyor eye are both 6 ft above water level,estimate width of canal.refractive index of water =3/2
Lakshya garg , 6 Years ago
Grade 11
