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Chapter 6: Problem 1

The sky looks blue due to (a) dispersion effect (b) reflection (c) transmission (d) scattering

Short Answer

Expert verified
The sky appears blue due to scattering.

Step by step solution

01

Understand the Principles of Light

Light from the sun appears white but is actually composed of various colors, as seen in a rainbow. Each color in the light spectrum has a different wavelength. Blue and violet light have the shortest wavelengths and are scattered in all directions more than any other color as sunlight passes through the atmosphere.
02

Rule out Incorrect Options

The phenomenon of sky looking blue is not due to to dispersion effect or transmission. Dispersion explains why we see a rainbow, not why the sky is blue. Transmission is when light travels from one medium to another without changing direction, which isn't applicable here.
03

Choose the Correct Option

The sky appears blue not because of reflection, but because of the scattering of sunlight by the atmosphere. The blue color of the sky is the result of a particular type of scattering called Rayleigh scattering. Therefore, the correct choice is (d) scattering.

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