How many colors are in the spectrum of visible light?

How many colors are in the spectrum of visible light?

Newton divided the spectrum into seven named colors: red, orange, yellow, green, blue, indigo, and violet.

What are the three fairies names in sleeping beauty?

Flora, Fauna and Merryweather (known collectively as the Three Good Fairies) are major characters in Disney’s 1959 animated film Sleeping Beauty. In the film, Flora is voiced by Verna Felton, Fauna is voiced by Barbara Jo Allen, and Merryweather is voiced by Barbara Luddy.

Is calcium carbonate soluble in water?

Under normal conditions calcium carbonate is water insoluble. When carbon dioxide is present carbonic acid is formed, affecting calcium compounds. Elementary calcium reacts with water. Calcium compounds are more or less water soluble.

Why is Superman older than Supergirl?

Even though Supergirl (Kara Zor-El) was 12 when her parents sent her to Earth to escape Krypton to look after her baby cousin Superman (Kal-El), her pod was knocked off course and stuck in space and she was effectively stuck in time. By the time her pod reached planet earth, Kal-El had already grown up and become Superman while she was still young.

Who is the biggest traitor in American history?

Benedict Arnold, American traitor, born — History.com This Day in History — 1/14/1741. January 14. Crime. Benedict Arnold, the American general during the Revolutionary War who betrayed his country and became synonymous with the word “traitor,” was born on this day in 1741.

How did Elvis get his name?

Elvis was named after his father, Vernon Elvis Presley, and Mr. Presley’s good friend in Tupelo, Aaron Kennedy. Aron was the spelling the Presleys chose, apparently to make it similar to the middle name of Elvis’ stillborn identical twin, Jesse Garon Presley.

What percentage of our brain do we use?

The popularly and widely spread belief that we only use or have access to 10 percent of our brain’s power is often used to speculate about the extent of human abilities if only we could utilize our brain’s full capacity. In reality, this claim is 100 percent myth. We use all of our brain.

How big is a 45 rpm record?

The most common form of the vinyl single is the 45 or 7-inch, the names are derived from its play speed, 45 rpm and the standard diameter 7-inch (18 cm). The 7-inch 45 rpm record was introduced in 1949 by RCA as a smaller, more durable and higher-fidelity replacement for the 78 rpm shellac discs.