Microwaves

Question 1

In what year did maxwell develop his theory?

Answer 1

1865

Question 2

He is best known for his work in formulating the theory of electromagnetism

Answer 2

James Clerk Maxwell (1832-1879)

Question 3

Heinrich Hertz demonstrated the existence of microwaves in ____

Answer 3

1888

Question 4

Microwaves have a frequency ranging between ____ and ____

Answer 4

300 Megahertz, 300 Gigahertz

Question 5

The 4 types of Maxwell’s Equations

Answer 5

Gauss’s Law (Electricity), Gauss’s Law (Magnetism), Faraday’s Law (Electromagnetic Induction), Ampere’s Law (Maxwell’s Addition)

Question 6

How did Heinrich Hertz prove the existence of electromagnetic waves?

Answer 6

By generating radio waves using the primitive spark gap radio transmitter

Question 7

How do microwave ovens work

Answer 7

The microwaves cause the food’s water molecules to bounce, creating friction that produces heat.

Question 8

How did Percy Spencer discover the heating effect of microwaves?

Answer 8

He tested a device, called a magnetron, and found out that a chocolate bar melted in his pocket.

Question 9

Microwaves can pass through ___?

Answer 9

glass and plastics