What is UNA
Q.2. An object, 40 cm in size, is placed at 50.0 cm in front of concave mirror of focal
length 25.0 cm. Where is the image formed and what is the size of the image?
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United Nations Association
A United Nations Association (UNA) is a non-governmental organization that exist in various countries to enhance the relationship between the people of member states and the United Nations to raise public awareness of the UN and its work, to promote the general goals of the UN.
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