GENERAL KNOWLEDGE

Detailed explanation-1: -The microwave was invented in 1945 by Raytheon engineer Percy Spencer, as evidenced by his patent for a “Method of treating foodstuffs.”

Detailed explanation-2: -The microwave was invented accidentally in 1945 by a self-taught engineer named Percy Spencer, who was leading a radar project for the defence giant, Raytheon. While testing a new vacuum tube called a magnetron, he discovered that a chocolate bar in his pocket had melted from the heat.

Detailed explanation-3: -1955: The first domestic microwave oven is introduced. Walk into almost any American kitchen today and there’s one appliance that is likely to be sitting on the counter somewhere-a microwave oven.

Detailed explanation-4: -Developed by Tappan in conjunction with Raytheon, the RL-1 was the first microwave oven designed for home use. With a retail price of $1, 295, only 34 units were manufactured in 1955, the first year of production. The company sold a total of 1, 396 units before production ended in 1964.