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प्रश्न
Answer the following question briefly:
Hubble telescope employs a large parabolic mirror as an objective. State any one advantage of using a mirror in place of a lens in such a telescope.
संक्षेप में उत्तर
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उत्तर
The Hubble telescope employs a large parabolic mirror as its objective, ensuring the image is free of spherical aberration.
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