1) What is the difference between noise and music, can music become noise sometime
2) Astronauts in outer space have to use radios to communicate with one another why
3) State some advantages of electroplating,
4) Draw a well labelled sketch of the human eyes
Answers
Answer:
noise is unpleasant music is pleasetn
Answer:
1. Pleasing sound to the ear is called music. For example, the sound produced by violins, sitar, guitar etc are music.
Unpleasing sound to the ear is called noise.
Yes, music can become noise when played at high volumes.
2. Because there is nothing out in space (like an atmosphere), the sound waves from one astronaut's whistling can't travel over to the other astronaut's ears. That's why the astronauts use radios to communicate—even if they're floating in space right next to each other!
3. Electroplating has many advantages: (i) It is used to coat metal surfaces with desired metal coatings, for decoration purposes. (ii) It saves metal surfaces from rusting. (iii) It saves corrosion of surfaces of metals.
4. its answer is in the photo at the top
Explanation:
Hope it helps you....
