1. Heinrich Hertz was a renowned physicist from:
(a) France
(b) Germany
(c) Italy
(d) England
2. Hertz is best known for his discovery of:
(a) Gravity
(b) Electricity
(c) Radio waves
(d) X-rays
3. The unit of frequency is named after:
(a) Albert Einstein
(b) Isaac Newton
(c) Heinrich Hertz
(d) James Maxwell