Question

A carom board is a square board with a symmetrical design as shown in the diagram below. E, F, G, and H are the midpoints of AD, BA, CB, and DC respectively. Anand wants to pocket his last coin which is at E. Taking the laws of reflection to be applicable, he strikes from the point M, so that the striker reflects at F, then at G, then at H and finally hits the coin at E. Choosing D to be the originTwo buildings A and B are as shown in the diagram. A woman walks out of building B to get some sunshine. How much minimum distance in metres will she have to walk in the right direction of building B, according to the situations given below? Assume the right direction of buildings as positive and ground as X − axis. (a) The first sunray not blocked by B has a slope of -2.

Answer 1

Answer:

Acid turns blue litmus red and bases turns red litmus blue