Ist detonator is planted at a distance of
(i) 1200 Mt. from welding site .*
(ii) 600 mtrs from welding site
(iii) 30 mtrs from welding site
(iv) None of the above
(i) 1200 Mt. from welding site .*
(ii) 600 mtrs from welding site
(iii) 30 mtrs from welding site
(iv) None of the above