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Chapter 13: Q13-112P (page 549)

In a movie theatre, you can see the beam of project light. What phenomenon does this exemplify? Why does it occur?

Short Answer

Expert verified

The phenomenon is called 鈥淭yndall effect鈥�. It occurs due the scattering of light by dust particles presents in air.

Step by step solution

01

phenomenon of project light

In movie theatre, when we see the beam of project light, we can observe the phenomenon of 鈥淭yndall effect鈥�. This effect occurs due to the scattering of light coming from the projector by the particles of the dust present in the air and falling in the path of beam of light.

02

Tyndall effect

Tyndall phenomenon, also known as the Tyndall effect, is the dispersion of a light beam by a medium containing minute suspended particle.

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