Home › CBSE Class 10 › Science › The Human Eye and the Colourful World › A rainbow always forms in the sky:
A rainbow always forms in the sky:
AOnly at noon
BTowards the Sun
CAt the position of the Sun (option)
DIn a direction opposite to the Sun
Answer & Solution
Correct answer: D. In a direction opposite to the Sun
1. Sunlight enters water droplets, internally reflects once, and exits in the direction opposite to the Sun.
2. Observer sees the bow centred on the antisolar point.
3. Hence a rainbow appears opposite to the Sun in the sky.
_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: