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anushamist · Dec 27, 2010, 08:28 AM

An object is placed 3cm in front of a biconvex lens of radius of curvature 12cm. The image formed will be (1) enlarged and real (2) virtual (3) virtual and diminished (4) enlarged and inverted

anushamist · Dec 27, 2010, 08:21 AM

A submarine can see an enemy helicopter at a height of 800m above the sea. What is the actual height of the helicopter above the sea. Given water Myu air=3/4

anushamist · Dec 27, 2010, 08:11 AM

ABCDE is an inscribed pentagon, arc DE is 72 degrees. Find the measure of angle A measure of angle C

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Question: Image formed by biconvex lens

Image formed by biconvex lens

Question: Refraction of light

refraction of light

Question: Inscribed pentagon in a circle, find angle measure?

Inscribed pentagon in a circle, find angle measure?