(ii) An object is placed at 35am from reflecting surface from a concave mirror if focal length
of concave mirror is 20 cm than calculate the position of image formed by using concave
mirror and write the nature of image formed by concave mirror.
D
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Explanation:
Write a letter to your principal informing about the
steps your class wishes to
take in order to
reduce pollution levels in and around
the school
premises
as part of 'Save Environment campaign'
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