Question related to the focal length of the mirror
A convex mirror in a department store generates an upright image 0.65 times the size of a person who is standing 220 cm from the mirror.
Determine the focal length of the mirror?
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A convex mirror in a department store generates an upright image 0.65 times the size of a person who is standing 220 cm from the mirror. Determine the focal length of the mirror?
The plane that can fly 100 miles an hour in still air can fly 500 miles with the wind that is blowing at the certain rate in 5/8 of time it would need to fly 500 miles against the wind blowing at same rate. Determine rate of wind?
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i) Sketch a schematic of the situation, representing direct illumination and the ground bounce. ii) Approximate the height of antenna which will cause highest power to be incident on the target.
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