alleryTyndall effect refers to:
ARefraction at a prism face
BReflection of light off a smooth surface (option)
CScattering of light by colloidal particles in a medium
DDiffraction at a slit
Answer & Solution
Correct answer: C. Scattering of light by colloidal particles in a medium
1. When a beam of light passes through a colloidal solution, particles scatter the light.
2. The path of the beam becomes visible from the side.
3. This Tyndall effect is responsible for visible sun-rays in dusty rooms.
_Source: syllabus Science, Ch 10 "The Human Eye and the Colourful World", §10.6_
Keep practising Refraction of Light and Lenses
Browse all Refraction of Light and Lenses questions for Andhra Pradesh SSC (Class 10), or explore more Science topics.
Related questions
A child cannot read words on the blackboard clearly. The likely defect and correction are:The image formed on the retina by the human eye is:Scattering of light is most pronounced when the wavelength of light is:A 10-cm-tall object placed 30 cm in front of a 20-cm concave mirror has an image at:Cataract refers to:A myopic person's far point is 50 cm. The corrective lens has power:The phenomenon of dispersion was first scientifically demonstrated by:In a young eye, the focal length range of the eye lens is approximately: