Front

When television images were first transmitted, viewers didn’t know exactly what the image was.

Back

TRUE

Front

The television was demonstrated at the Royal Institute in 1926

Back

FALSE

Front

Colour images were not possible until after the 1920s

Back

FALSE

Front

Television images were first sent across the Atlantic Ocean in 1928

Back

TRUE

Front

People could buy television sets in the 1920s.

Back

TRUE

Front

Home refrigerators were invented in the 1920s

Back

FALSE

Front

Fridges became popular in the USA before they were popular in the UK

Back

TRUE

Front

Some psychologists helped John Larson to build his invention

Back

FALSE

Front

On some occasions, lie detectors have been used as evidence in court

Back

FALSE

Front

Today, lie detectors are never used by the police.

Back

FALSE