Electromagnetic Waves Quiz for Fun & Quiz Competition Practice 2

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#1. Which of the following radiations is not an ionizing radiation

#2. Which process can be used to physically separate different waves of different frequency

#3. If an electromagnetic wave exists in a medium with water, its wavelength _______.

#4. Which of the following waves is used for operation of a remote control

#5. Which are the main wavelengths used in radar

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Electromagnetic Waves Quiz Explanation is given below

Electromagnetic Quiz Answers

  1. microwaves
  2. Spectroscopy
  3. Decreases
  4. Radiowaves
  5. microwaves

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1. Ionizing radiation means the kind of radiation which has enough high energy to eject electrons from atom or molecules. X-rays, Ultraviolet rays and Gamma rays fall in that category as they have high energy due to their lower wavelength and higher frequency, whereas microwaves don’t have that enough energy to eject electrons from an atom or molecule due to its high wavelength.

2. Spectroscopy can be used in this process of differentiating waves of different frequencies physically, ultimately producing a spectrum giving a list of consistent frequencies.

3. The wavelength decreases as it enters a more dense medium or a medium with a more refractive index than air or vacuum. The more the refractive index, the less the speed and less the wavelength.

4. Radiowaves are used for remote control operation. They are also used for Global Positioning System(GPS).

5. Microwaves are especially used in radar and also used in wireless communication or Wi-Fi technology.

Author: Som Abhishek

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Electromagnetic Waves Quiz

1. Which of the following radiations is not an ionizing radiation?

a. Gamma ray

b. microwaves()

c. X-rays

d. Ultraviolet rays

2. Which process can be used to physically separate different waves of different frequency?

a. Dispersion

b. Spectroscopy()

c. Polarization

d. None of the above

3. If an electromagnetic wave exists in a medium with water, its wavelength _______.

a. Decreases()

b. Increases

c. Remains constant

d. None of the above

4. Which of the following waves is used for operation of a remote control?

a. Infrared

b. Radiowaves()

c. Visible light

d. Gamma rays

5. Which are the main wavelengths used in radar?

a. Gamma rays

b. Microwaves()

c. Infrared

d. Alpha rays

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