light travel in dash line from a dash of light that to bonus of an object we can see the object because the dash enter our ice wood and cardboard and dash material that light cannot travel through – is a dash material which allows light to pass through tissue paper is – which will let some light through when an object blocks of the dash a dash is formed Shadow are – and meethi midday and dash at the beginning and end of the day
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do u mean electromagnetic wave by telling dash??
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it is wrong ok the answer is l is expected o is known as v you one thing you can write e
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