The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from adistance because among all other colours, the red light(a) is scattered the most by smoke or fog (b) is scattered the least by smoke or fog(c) is absorbed the most by smoke or fog (d) moves fastest in air
Question
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from adistance because among all other colours, the red light(a) is scattered the most by smoke or fog (b) is scattered the least by smoke or fog(c) is absorbed the most by smoke or fog (d) moves fastest in air
Solution
The correct answer is (b) is scattered the least by smoke or fog.
The reason for this is due to the properties of light and how it interacts with particles in the atmosphere. Red light has the longest wavelength of all visible light, which means it is less likely to be scattered by small particles in the atmosphere, such as those found in smoke or fog. This is why it is used for danger signals on top of tall buildings - it can be seen clearly from a distance, even in poor weather conditions.
Similar Questions
Why is a red light considered "safe" in the dark room?
Which color is typically used to convey urgency or alertness in visual design? A. Yellow B. Blue C. Green D. Red
What does a flashing red light mean at a traffic signal?A) Stop, then go when it's safeB) Proceed with cautionC) Slow down and be alertD) Turn left after yielding to oncoming traffic
Why is a red light considered "safe" in the dark room?View keyboard shortcutsEditViewInsertFormatToolsTable12ptParagraph
Study the visualization and think about these questions: Red normally indicates danger or a warning. Why do you think cells are highlighted in red?Green normally indicates a positive or “go” status. Is it clear why certain cells are highlighted in green? The purpose of the color coding isn’t clear without a legend, but can you guess what might have been the intent? Post your theory of what the colors mean. In the same post, share in 3-5 sentences
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.