radio

When was this radio invented?

• 1930

• 1970

• 1940

• 1950

In the 1930s, radio became a means of mass communication, and during World War second, it was used to ...

• transmit weather forecasts
• disseminate news and propaganda
• provide sports commentary
• broadcast music and entertainment

Who invented the radio?

• Isaac Newton
• Albert Einstein
• Thomas Edison
• James Clerk Maxwell, Heinrich Hertz and Guglielmo Marconi

What is the name of the radio station that broadcasted the first commercial radio broadcast in the United States?

• WABC
• KXYZ
• WNBC
• KDKA

In the 1950s, radio began to adapt, focusing more on ...

• Music and spoken programming.

• sports and weather updates
• educational programming and lectures
• news and political commentary

When was this radio invented?

• 1980

• 1920

• 2001
• 1999

When was this radio invented?

• 1970

• 1950

• 1985
• 1995