Home › CBSE Class 10 › Science › The Human Eye and the Colourful World › Newton showed that white light can be reformed f…
Newton showed that white light can be reformed from the spectrum using:
AA convex lens
BA concave mirror (option)
CA second identical prism placed inverted relative to the first
DA water tank
Answer & Solution
Correct answer: C. A second identical prism placed inverted relative to the first
1. Newton dispersed sunlight with one prism into seven colours.
2. A second identical prism placed inverted made the rays converge.
3. White light re-emerged on the other side of the second prism.
_Source: NCERT Class 10 Science, Ch 10 "The Human Eye and the Colourful World", §10.4_
Related questions
Light from a star changes colour during twinkling because:The ability of the eye to focus on objects at different distances is called:Tyndall effect — the visible path of a beam of light through a colloid — is a result of:An old man cannot read a book held close but can see distant scenes clearly. The defect anTwinkling of stars is caused by:The reddish appearance of the sun at sunrise and sunset is due to:The sky appears BLUE because of:A rainbow is formed by: