Refraction Of Light Video Lessons

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Problem: Why is it necessary to collimate the light source before using the prism to disperse the light?A. So that the light rays entering the prism are focused to a small spotB. So that the light rays entering the prism are filtered for aspecific wavelengthC. So that the light rays entering the prism are parallelD. All of the above

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We are required to identify the condition necessary to study the refraction of colors.

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Problem Details

Why is it necessary to collimate the light source before using the prism to disperse the light?

A. So that the light rays entering the prism are focused to a small spot

B. So that the light rays entering the prism are filtered for aspecific wavelength

C. So that the light rays entering the prism are parallel

D. All of the above

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