Read the following passage carefully. On the busy Bow bazaar Street in Calcutta there was an old building. It was the headquarters of the Indian Association for Cultivation of Science. In December, on a fine evening in 1927, there was much excitement in one of its laboratories. Chandrasekhar Venkata Raman was showing a visitor some of his instruments when a young man, K.S.Krishnan, rushed in and announced, “Professor Compton has won the Nobel Prize.”Now answer the following questions: 1) What was there in the old building? 2) Where was the Indian Association for cultivation of Science located ? 3) When did this incident take place? 4) Why was there such an excitement in the laboratory?5) Who was the famous scientist mentioned in the passage? 6) What was C.V. Raman doing? 7) Who was the young man mentioned in the passage? 8) What did K.S. Krishnan announce? 9) Who won the Nobel Prize? 10) When did professor Compton win Nobel Prize?