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Answer:
1. an image is colourful while a shadow is black
2. solar cell is a cell that is charged by by the solar power of the sun. its two uses are: 1 used in satellites, 2 used in solar operated watch
Answer:
1) An image is what you see in a mirror. A shadow is what you see as a rough outline of yourself on the ground, when in the sun. An image is formed by reflection or refraction of light.
2) Solar cells are used to convert light source from the sun into electrical energy. This is environment-friendly and saves resources. Solar cells are used in power farms to provide electricity to large areas. Solar cells used in vehicles like cars, buses etc.
3) Translatory motion can be of two types: rectilinear and curvilinear. If a body moves as a whole such that every part of the body moves through the same distance in a given time, then the body is said to be in translatory motion.
Explanation:
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