Instruction: Read the questions carefully and write your answer on your answer sheet. 1. Who discove...

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Instruction: Read the questions carefully and write your answer on your answer sheet.
1. Who discovered microwaves?
2. What is the frequency of microwave?
3. Microwaves are considered as
4. What is the wavelength of microwave?
5. What is the common kitchen appliance that uses microwaves?

Patulong

Mga sagot sa #1 sa Tanong: Instruction: Read the questions carefully and write your answer on your answer sheet.
1. Who discovered microwaves?
2. What is the frequency of microwave?
3. Microwaves are considered as
4. What is the wavelength of microwave?
5. What is the common kitchen appliance that uses microwaves?

Patulong

Answer:

1. Robert Welson Humanity’s understanding of the universe took a giant leap forward 50 years ago today. On May 20, 1964, American radio astronomers Robert Wilson and Arno Penzias discovered the cosmic microwave background radiation (CMB), the ancient light that began saturating the universe 380,000 years after its creation.

2. Microwave Frequencies range between 109 Hz (1 GHz) to 1000 GHz with respective wavelengths of 30 to 0.03 cm. Within this spectral domain are a number of communication systems applications that are important in both the military and civilian sectors.

3. Microwaves considered as a type of electromagnetic radiation, as are radio waves, ultraviolet radiation, X-rays and gamma-rays. … Electromagnetic radiation is transmitted in waves or particles at different wavelengths and frequencies. This broad range of wavelengths is known as the electromagnetic spectrum EM spectrum).

4. 30 cm to 1 mm

The microwave region extends from 1,000 to 300,000 MHz (or 30 cm to 1 mm wavelength).

5.microwave ovens

In addition to cooking food, microwave ovens are used for heating in many industrial processes. Microwave ovens are a common kitchen appliance and are popular for reheating previously cooked foods and cooking a variety of foods.

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