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ভিডিও ক্লাস

১৮ অক্টোবর, ২০১৯ ০৪:৪৫ অপরাহ্ণ

আলোর প্রতিফলন, পর্ব- ১
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সহকারী শিক্ষক

In a mirror a clear image is formed to uniform reflection. A silver layer is placed behind a glass mirror for proper reflection. We all have seen plain mirrors but may not have seen a real spherical mirror. The main concept of a spherical mirror can be seen in a new shiny spoon. The sphecical mirror will be concave or convex deponds on which surface is coated with silver or aluminium layer. If we want to define the position of the image using geometry we need to draw at least two rays. The position of the image will depend on the position ot the real object. The second Law of reflection- "The reflected angle is equal to the incident angle."