Saved Bookmarks
| 1. |
Newton’s colour disc is made by painting the constituent colours of white light in the same order and proportion. a. In which colour does the disc appear when rotated fast? b. The reason behind such an appearance is a phenomenon related to our eyes. What is it explain?c. If the disc is rotated slowly, what will be the observation?d. Why does a torch rotated appear as an illuminated circle? |
|
Answer» a. White colour b. Persistence of vision. When a person views an object, its image remains in the retina of the eye for a time interval of 0.0625 s c. If the disc is rotated slowly it is easy to identify the different colours. d. Due to the Persistence of vision. |
|