Newton Disc
Newton Disc
Colours:
White light is composed of many colours .When these colour combine they look white. One way of showing that white light is composed of different colors is to make white light pass through a glass prism. This splits up the white light into its constituent colors. If you hold a screen in its path you will see band of colour this band of colours is s called the spectrum. As it’s visible to the human eye it is called the visible spectrum.
Newton’s Disc :
Newton’s disc is a colored disc which is painted with the colours of white light [i.e., violet, indigo, blue, green, yellow, orange, and red (VIBGYOR) in equal proportions so that when it is rotated very fast, the disc appears white. This is because of a property of our eyes called persistence of vision.
When white light is passed into a prism it splits into ____________________ . | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct ? (a) White light is composed of many colours . (b) To show that white light is composed of different colors it is to make white light pass through a glass prism. (c) Newton’s disc is a colored disc which is painted with the colours of white light (VIBGYOR) in equal proportions so that when it is rotated very fast, the disc appears white. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct ? (a) Glass prism splits up the white light into its constituent colors. If you hold a screen in its path you will see band of colour this band of colours is s called the spectrum. (b) Newton’s disc is a colored disc which is painted with the colours of white light . (c) When the newton disc is rotated at a high speed, the image of the different colours overlap in our eyes and the brain perceives it as white. | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [10]
My experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
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Om Umang
10thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
