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Question 29
How can magnifying aids help children with low vision?
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Magnifying spectacles, stand magnifiers and hand-held magnifiers support close tasks; telescopes help with distant objects or signs.
Question 30
What telescope sites does the textbook mention?
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ARIES near Nainital, the Indian Astronomical Observatory at Hanle, the James Webb Space Telescope, and Mauna Kea Observatory.
Question 31
Which ancient Indian scholars are introduced?
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Āryabhaṭa, Varāhamihira and Bhāskarachārya II.
Question 32
What is Jantar Mantar?
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An astronomical observatory with large instruments for calculating and measuring celestial movements; the New Delhi observatory was built in 1724 by Sawai Jai Singh II.
