1. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

2. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

3. Who invented Submarine ?

Answer:

John Philip Holland

4. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

5. Who invented HIV ?

Answer:

6. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

7. Who invented Laser ?

Answer:

Charles H. Townes