Why is sky blue?
The sky is blue due to a phenomenon called Raleigh scattering. This scattering refers to the scattering of electromagnetic radiation (of which light is a form) by particles of a much smaller wavelength. These shorter wavelengths correspond to blue hues, hence why when we look at the sky, we see it as blue.
Why is the sky blue short answer Class 10?
The Short Answer: Sunlight reaches Earth’s atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered more than the other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
Why is the 10th sky white?
In a hot day due to rise in temperature, water vapor into the atmosphere which leads to abundant presence of water molecules in atmosphere. These water molecules scatter the colors of other frequencies (other than blue). All such colors of other frequencies reaches our eye and white color appeared to us.
Can you drink old water?
Once again the answer is yes, according to Krogh. “The taste may be a bit flat but it isn’t harmful,” he says. Even without being capped, water is potable for weeks or months as long as it hasn’t been polluted by dirty fingers or spit which is full of bacteria.
Do humans taste water?
LOS ANGELES: Water may not be a tasteless liquid, say scientists who have found that our tongue is able to detect a unique taste of water using its sour-sensing cells. The nerves responded in predictable ways to different basic tastes – sweet, sour, bitter, salty and umami – but they were also stimulated by pure water.
What are some good facts about dogs?
10 amazing facts about dogs
- Their sense of smell is at least 40x better than ours.
- Some have such good noses they can sniff out medical problems.
- Dogs can sniff at the same time as breathing.
- Some dogs are incredible swimmers.
- Some are fast and could even beat a cheetah!
- Dogs don’t sweat like we do.
- Your dog could be left or right-pawed.
What are 5 interesting facts about dogs?
Fun facts about dogs
- Dogs noses are wet to help absorb scent chemicals.
- The Beatles song ‘A Day in the Life’ has a frequency only dogs can hear.
- Three dogs survived the Titanic sinking.
- The tallest dog in the world is 44 inches tall.
- Basenji dogs don’t bark, they yodel.