Grade 12th pass10 grade science
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light [NCERT Exemplar Problems]
(a) is scattered the most by smoke or fog
(b) is scattered the least by smoke or fog
(b) is absorbed the most by smoke or fog
(c) moves fastest in air
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light [NCERT Exemplar Problems]
(a) is scattered the most by smoke or fog
(b) is scattered the least by smoke or fog
(b) is absorbed the most by smoke or fog
(c) moves fastest in air
