Suppose theres a string of length 20cm/inches and you want to divide it into 5 equal parts. What you do is divide the total length by the number of parts you want to divide the string. That is to say:    20/5=4cm or inches so what you get here is that each equal part is … Read more

Every object has the capacity to absorb and reflect light. There are mainly 7 sets of light rays due to which we can see color on objects.  those colrs are VIBGYOR the colors of rainbow. The colrs which are absorbed by the object are not seen. But the ones which it reflects are are thought … Read more