Laser Quiz PDF: Questions and Answers - 174

MCQ 866: In which one of the following year the first laser was discovered?

1. 1950
2. 1940
3. 1930
4. 1960

MCQ 867: In which one of the following year, internal combustion engine was discovered?

1. 1811
2. 1855
3. 1826
4. 1801

MCQ 868: Penicillin was discovered by

1. Sir Frances Gabe
2. Sir George Beers
3. Sir Alexander Fleming
4. Sir Louis Pasteur

MCQ 869: Patented food bar was designed to help burn fat by a pathologist in California named as

1. Dr Larry wang
2. Sir George Beers
3. Sir Norman Rolston
4. Sirr James Naismith

MCQ 870: In which century, Pascaline calculator was patented?

1. 16th Century
2. 19th Century
3. 17th Century
4. 15th Century