Answer :
Final answer:
A parabolic trough focuses the sun's rays onto the receiver pipe.
Explanation:
A parabolic trough focuses the sun's rays onto the receiver pipe. The parabolic shape of the trough allows for the sun's rays to be reflected and concentrated towards a central point, optimizing the amount of solar energy captured. The receiver pipe, which is located at the focal line of the parabola, absorbs the concentrated sunlight and transfers the heat to a fluid, which is then used to generate electricity or produce heat.
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