Which is an example of smooth surface?
Answer. The examples of smooth surfaces are marble slab, granite slab (well-polished), mirror surface and glossy tiles.
What are smooth surfaces?
A surface is said to be smooth if it does not have singular points, in other words, if it has a (unique) tangent plane at every point. For this we need to clarify if the surface is considered from a real affine, a real projective, or a complex projective point of view, the conditions becoming stronger and stronger.
Which is an example of rough surface?
Rough surfaces are those surfaces which have abrasion and high sliding friction preventing them from sliding fluidly, thereby termed as rough surfaces like sand paper, cement road, new tires and other objects with high sliding friction.
Which friction has smooth surface?
Friction is a force that opposes motion between any surfaces that are touching. Friction occurs because no surface is perfectly smooth. Rougher surfaces have more friction between them. Heavier objects also have more friction because they press together with greater force.
How do I make my rough surface smooth?
You do not need to knock down the wall or sand it smooth to get a smooth finish, however. Skim coating, the process of covering rough walls with a thin layer of joint compound, will smooth out the wall surface. You can then add another texture, or wallpaper or paint over it.
What is the smoothest surface?
atom mirror
What is the flattest thing on earth?
In this week’s Maphead, Ken Jennings describes Salar de Uyuni, a salt flat in Bolivia that’s the flattest place on earth.
What is the smoothest object in the solar system?
Jupiter’s large icy moon Europa has the smoothest surface of any solid body in the Solar System. The only prominent relief on its surface are ridges a few hundred metres in height. The tidal forces which cause Io’s intense volcanic activity also affect Europa.
On which planet would you feel the heaviest?
Jupiter
What is the most beautiful planet in the universe?
planet Saturn
What is the prettiest moon?
This week, we present 10 of our solar system’s most marvelous moons.
- Retrograde Rebel: Triton.
- Cold Faithful: Enceladus.
- Volcano World: Io.
- Yin and Yang Moon: Iapetus.
- A Double World: Charon and Pluto.
- 8. ” Death Star” Moon: Mimas.
- Don’t Be Afraid, It’s Just Phobos.
- The Moon We Know Best.
What is the most dangerous planet?
Venus
What is the most beautiful star?
Sirius, also known as the Dog Star or Sirius A, is the brightest star in Earth’s night sky. The name means “glowing” in Greek — a fitting description, as only a few planets, the full moon and the International Space Station outshine this star.
What is the most unique Star?
Top 5 Most Interesting Stars
- PSR J1841-0500: The Star That Likes To Take A Break Every Once In A While!
- Swift J1644+57: The Star That Got Eaten By A Blackhole.
- PSR J1719-1438 and J1719-1438b: The Star That Turned Another Star In A Diamond!
- HD 140283: The Star That’s Older Than The Universe!
- HV 2112: The Star Inside A Star!
What is the least brightest star?
In fact, the closest star to the Sun, Proxima Centauri, is a red dwarf. This M-class star is smaller and less luminous than our G-class Sun, and far smaller and less luminous than the brightest star, A-class Sirius.
What color stars are the brightest?
Blue stars
What type of visible stars is the coolest?
A red star is the coolest, but still is about 5,000° Fahrenheit! Our sun is yellowish-white and the surface is about 10,000° Fahrenheit. The hottest stars are blue, and can be as hot as Fahrenheit at their core!
What color is the brightest?
yellow
Why is there a red star in the sky?
Mars will be at its brightest and best fiery red color. Now is a good time to start watching for Mars in the night sky. Mars will look like a bright red star, although it shines with a steadier light than the twinkling stars.
Why do stars twinkle for Class 6?
Due to the effects of Earth’s atmosphere, the stars twinkle in the night sky. When starlight enters the atmosphere, it is affected by winds in the atmosphere and by areas with different densities and temperatures. These are the causes due to which light from the star appears to twinkle when seen from the ground.
Why do stars twinkle class10?
Answer. The change in intensity of light coming from the stars is called twinkling of stars. The twinkling of stars occurs due to atmospheric refraction of star’s light. Hence, the star light reaching our eyes change continuously and stars appear to twinkle.