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| Q. |
Rainbow is seen after rain because of hanging molecules of water which act as – |
| A. | lenses |
| B. | mirrors |
| C. | prisms |
| D. | slabs |
| Answer» B. mirrors | |
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Explanation: In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. In a rainbow, raindrops in the air act as tiny prisms. Light enters the raindrop, reflects off of the side of the drop and exits. In the process, it is broken into a spectrum just like it is in a triangular glass prism. |
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